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31303322332 = 22292695871709
BaseRepresentation
bin11101001001110100…
…101100101011011100
32222210120201112111121
4131021310230223130
51003102122303312
622214110500324
72155503564262
oct351164545334
988716645447
1031303322332
1112303a00427
1260975046a4
132c4b3c4349
14172d592432
15c33273707
hex749d2cadc

31303322332 has 48 divisors (see below), whose sum is σ = 57010716000. Its totient is φ = 15021327104.

The previous prime is 31303322327. The next prime is 31303322371. The reversal of 31303322332 is 23322330313.

It is a junction number, because it is equal to n+sod(n) for n = 31303322297 and 31303322306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18315894 + ... + 18317602.

It is an arithmetic number, because the mean of its divisors is an integer number (1187723250).

Almost surely, 231303322332 is an apocalyptic number.

It is an amenable number.

31303322332 is a deficient number, since it is larger than the sum of its proper divisors (25707393668).

31303322332 is a wasteful number, since it uses less digits than its factorization.

31303322332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 25.

Adding to 31303322332 its reverse (23322330313), we get a palindrome (54625652645).

The spelling of 31303322332 in words is "thirty-one billion, three hundred three million, three hundred twenty-two thousand, three hundred thirty-two".

Divisors: 1 2 4 29 58 116 269 538 587 1076 1174 1709 2348 3418 6836 7801 15602 17023 31204 34046 49561 68092 99122 157903 198244 315806 459721 631612 919442 1003183 1838884 2006366 4012732 4579187 9158374 13331909 18316748 26663818 29092307 53327636 58184614 116369228 269856227 539712454 1079424908 7825830583 15651661166 31303322332