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31100323101232 = 2471131814315121
BaseRepresentation
bin1110001001001000110111…
…01101011111101000110000
311002010011100222201202210011
413010210123231133220300
513034021430203214412
6150051142521544304
76356631666416650
oct704443355375060
9132104328652704
1031100323101232
119a00633674860
1235a354b345094
131447995143188
1479739971c360
1538decdced7a7
hex1c491bb5fa30

31100323101232 has 80 divisors (see below), whose sum is σ = 77548857698304. Its totient is φ = 11726137728000.

The previous prime is 31100323101173. The next prime is 31100323101251. The reversal of 31100323101232 is 23210132300113.

31100323101232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×311003231012322 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407119369 + ... + 407195752.

Almost surely, 231100323101232 is an apocalyptic number.

It is an amenable number.

31100323101232 is an abundant number, since it is smaller than the sum of its proper divisors (46448534597072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31100323101232 is a wasteful number, since it uses less digits than its factorization.

31100323101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814315178 (or 814315172 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31100323101232 its reverse (23210132300113), we get a palindrome (54310455401345).

The spelling of 31100323101232 in words is "thirty-one trillion, one hundred billion, three hundred twenty-three million, one hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 31 44 56 62 77 88 112 124 154 176 217 248 308 341 434 496 616 682 868 1232 1364 1736 2387 2728 3472 4774 5456 9548 19096 38192 814315121 1628630242 3257260484 5700205847 6514520968 8957466331 11400411694 13029041936 17914932662 22800823388 25243768751 35829865324 45601646776 50487537502 62702264317 71659730648 91203293552 100975075004 125404528634 143319461296 176706381257 201950150008 250809057268 277681456261 353412762514 403900300016 501618114536 555362912522 706825525028 1003236229072 1110725825044 1413651050056 1943770193827 2221451650088 2827302100112 3887540387654 4442903300176 7775080775308 15550161550616 31100323101232