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31120031100332 = 2279319130862147
BaseRepresentation
bin1110001001101101100100…
…11001100010110110101100
311002012001020110210212002202
413010312302121202312230
513034332310430202312
6150104202300441032
76361230244561166
oct704666231426654
9132161213725082
1031120031100332
119a08a27293219
1235a732b549178
1314497b6190bc5
14798308d13936
1538e7840da9c2
hex1c4db2662dac

31120031100332 has 24 divisors (see below), whose sum is σ = 55166706792960. Its totient is φ = 15358238335440.

The previous prime is 31120031100269. The next prime is 31120031100341. The reversal of 31120031100332 is 23300113002113.

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 7 ways as a sum of consecutive naturals, for example, 14422718 + ... + 16439429.

It is an arithmetic number, because the mean of its divisors is an integer number (2298612783040).

Almost surely, 231120031100332 is an apocalyptic number.

It is an amenable number.

31120031100332 is a deficient number, since it is larger than the sum of its proper divisors (24046675692628).

31120031100332 is a wasteful number, since it uses less digits than its factorization.

31120031100332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30865421 (or 30865419 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31120031100332 its reverse (23300113002113), we get a palindrome (54420144102445).

The spelling of 31120031100332 in words is "thirty-one trillion, one hundred twenty billion, thirty-one million, one hundred thousand, three hundred thirty-two".

Divisors: 1 2 4 79 158 316 3191 6382 12764 252089 504178 1008356 30862147 61724294 123448588 2438109613 4876219226 9752438452 98481111077 196962222154 393924444308 7780007775083 15560015550166 31120031100332