31868739795 has 16 divisors (see below), whose sum is σ = 50993579520. Its totient is φ = 16995462624.

The previous prime is 31868739757. The next prime is 31868739797. The reversal of 31868739795 is 59793786813.

It is not a de Polignac number, because 31868739795 - 2¹⁰ = 31868738771 is a prime.

It is a super-2 number, since 2×31868739795² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31868739797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170902 + ... + 304868.

It is an arithmetic number, because the mean of its divisors is an integer number (3187098720).

Almost surely, 2^31868739795 is an apocalyptic number.

31868739795 is a deficient number, since it is larger than the sum of its proper divisors (19124839725).

31868739795 is a wasteful number, since it uses less digits than its factorization.

31868739795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149834.

The product of its digits is 68584320, while the sum is 66.

The spelling of 31868739795 in words is "thirty-one billion, eight hundred sixty-eight million, seven hundred thirty-nine thousand, seven hundred ninety-five".