31868954994 has 16 divisors (see below), whose sum is σ = 64454067360. Its totient is φ = 10503625440.

The previous prime is 31868954993. The next prime is 31868955011. The reversal of 31868954994 is 49945986813.

It is not an unprimeable number, because it can be changed into a prime (31868954993) 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, 29839312 + ... + 29840379.

It is an arithmetic number, because the mean of its divisors is an integer number (4028379210).

Almost surely, 2^31868954994 is an apocalyptic number.

31868954994 is an abundant number, since it is smaller than the sum of its proper divisors (32585112366).

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

31868954994 is a wasteful number, since it uses less digits than its factorization.

31868954994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59679785.

The product of its digits is 67184640, while the sum is 66.

The spelling of 31868954994 in words is "thirty-one billion, eight hundred sixty-eight million, nine hundred fifty-four thousand, nine hundred ninety-four".