31860328863 has 12 divisors (see below), whose sum is σ = 46693375064. Its totient is φ = 19309290000.

The previous prime is 31860328823. The next prime is 31860328873. The reversal of 31860328863 is 36882306813.

It is not a de Polignac number, because 31860328863 - 2⁹ = 31860328351 is a prime.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31860328823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43884388 + ... + 43885113.

Almost surely, 2^31860328863 is an apocalyptic number.

31860328863 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31860328863 is a deficient number, since it is larger than the sum of its proper divisors (14833046201).

31860328863 is a wasteful number, since it uses less digits than its factorization.

31860328863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87769526 (or 87769515 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 31860328863 in words is "thirty-one billion, eight hundred sixty million, three hundred twenty-eight thousand, eight hundred sixty-three".