31957452798 has 16 divisors (see below), whose sum is σ = 64790453136. Its totient is φ = 10506559680.

The previous prime is 31957452739. The next prime is 31957452803. The reversal of 31957452798 is 89725475913.

It is a happy number.

It is a super-4 number, since 4×31957452798⁴ (a number of 43 digits) contains 4444 as substring.

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 7 ways as a sum of consecutive naturals, for example, 36480673 + ... + 36481548.

It is an arithmetic number, because the mean of its divisors is an integer number (4049403321).

Almost surely, 2^31957452798 is an apocalyptic number.

31957452798 is an abundant number, since it is smaller than the sum of its proper divisors (32833000338).

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

31957452798 is a wasteful number, since it uses less digits than its factorization.

31957452798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72962299.

The product of its digits is 19051200, while the sum is 60.

The spelling of 31957452798 in words is "thirty-one billion, nine hundred fifty-seven million, four hundred fifty-two thousand, seven hundred ninety-eight".