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31113032102 = 247932477069
BaseRepresentation
bin11100111110011110…
…110011000110100110
32222022022122210101022
4130332132303012212
51002204414011402
622143152131142
72151003260255
oct347636630646
988268583338
1031113032102
111221654a579
126043836ab2
132c1ab59789
1417121ba79c
15c216d62a2
hex73e7b31a6

31113032102 has 8 divisors (see below), whose sum is σ = 46766980800. Its totient is φ = 15524038504.

The previous prime is 31113032099. The next prime is 31113032161. The reversal of 31113032102 is 20123031113.

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, 16237577 + ... + 16239492.

It is an arithmetic number, because the mean of its divisors is an integer number (5845872600).

Almost surely, 231113032102 is an apocalyptic number.

31113032102 is a deficient number, since it is larger than the sum of its proper divisors (15653948698).

31113032102 is a wasteful number, since it uses less digits than its factorization.

31113032102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32477550.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31113032102 its reverse (20123031113), we get a palindrome (51236063215).

The spelling of 31113032102 in words is "thirty-one billion, one hundred thirteen million, thirty-two thousand, one hundred two".

Divisors: 1 2 479 958 32477069 64954138 15556516051 31113032102