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31332204032 = 29239256049
BaseRepresentation
bin11101001011100010…
…110111111000000000
32222212121001212202012
4131023202313320000
51003132021012112
622221021512052
72156304224423
oct351342677000
988777055665
1031332204032
11123192376a8
1260a5112628
132c543972cc
14173334d9ba
15c35a7b022
hex74b8b7e00

31332204032 has 40 divisors (see below), whose sum is σ = 62865396000. Its totient is φ = 15600492544.

The previous prime is 31332203953. The next prime is 31332204053. The reversal of 31332204032 is 23040223313.

It is a junction number, because it is equal to n+sod(n) for n = 31332203989 and 31332204007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657 + ... + 250392.

It is an arithmetic number, because the mean of its divisors is an integer number (1571634900).

Almost surely, 231332204032 is an apocalyptic number.

31332204032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31332204032 is an abundant number, since it is smaller than the sum of its proper divisors (31533191968).

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

31332204032 is an equidigital number, since it uses as much as digits as its factorization.

31332204032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256306 (or 256290 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 31332204032 its reverse (23040223313), we get a palindrome (54372427345).

The spelling of 31332204032 in words is "thirty-one billion, three hundred thirty-two million, two hundred four thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 239 256 478 512 956 1912 3824 7648 15296 30592 61184 122368 256049 512098 1024196 2048392 4096784 8193568 16387136 32774272 61195711 65548544 122391422 131097088 244782844 489565688 979131376 1958262752 3916525504 7833051008 15666102016 31332204032