31790836051 has 8 divisors (see below), whose sum is σ = 34261239600. Its totient is φ = 29323997472.

The previous prime is 31790836039. The next prime is 31790836061. The reversal of 31790836051 is 15063809713.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31790836051 is a prime.

It is a super-2 number, since 2×31790836051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31790835989 and 31790836007.

It is not an unprimeable number, because it can be changed into a prime (31790836061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 872701 + ... + 908398.

It is an arithmetic number, because the mean of its divisors is an integer number (4282654950).

Almost surely, 2^31790836051 is an apocalyptic number.

31790836051 is a deficient number, since it is larger than the sum of its proper divisors (2470403549).

31790836051 is a wasteful number, since it uses less digits than its factorization.

31790836051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782485.

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 31790836051 in words is "thirty-one billion, seven hundred ninety million, eight hundred thirty-six thousand, fifty-one".