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31023022102 = 2107144967393
BaseRepresentation
bin11100111001000111…
…011100000000010110
32222002001021210212121
4130321013130000112
51002013343201402
622130215010154
72145531223402
oct347107340026
988061253777
1031023022102
111217a761746
12601966995a
132c05303117
14170426a102
15c18856837
hex7391dc016

31023022102 has 8 divisors (see below), whose sum is σ = 46969435656. Its totient is φ = 15366543552.

The previous prime is 31023022099. The next prime is 31023022123. The reversal of 31023022102 is 20122032013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72483483 + ... + 72483910.

It is an arithmetic number, because the mean of its divisors is an integer number (5871179457).

Almost surely, 231023022102 is an apocalyptic number.

31023022102 is a deficient number, since it is larger than the sum of its proper divisors (15946413554).

31023022102 is a wasteful number, since it uses less digits than its factorization.

31023022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144967502.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31023022102 its reverse (20122032013), we get a palindrome (51145054115).

The spelling of 31023022102 in words is "thirty-one billion, twenty-three million, twenty-two thousand, one hundred two".

Divisors: 1 2 107 214 144967393 289934786 15511511051 31023022102