31916506502046 has 32 divisors (see below), whose sum is σ = 63875234350368. Its totient is φ = 10631799797760.

The previous prime is 31916506502009. The next prime is 31916506502071. The reversal of 31916506502046 is 64020560561913.

It is a super-2 number, since 2×31916506502046² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31916506501986 and 31916506502004.

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, 111947236 + ... + 112231976.

It is an arithmetic number, because the mean of its divisors is an integer number (1996101073449).

Almost surely, 2^{31916506502046} is an apocalyptic number.

31916506502046 is an abundant number, since it is smaller than the sum of its proper divisors (31958727848322).

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

31916506502046 is a wasteful number, since it uses less digits than its factorization.

31916506502046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297036.

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 31916506502046 in words is "thirty-one trillion, nine hundred sixteen billion, five hundred six million, five hundred two thousand, forty-six".