31854618088 has 48 divisors (see below), whose sum is σ = 65162426220. Its totient is φ = 14585223168.

The previous prime is 31854618049. The next prime is 31854618091. The reversal of 31854618088 is 88081645813.

It can be written as a sum of positive squares in 6 ways, for example, as 31619241124 + 235376964 = 177818^2 + 15342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100645 + ... + 271732.

Almost surely, 2^31854618088 is an apocalyptic number.

It is an amenable number.

31854618088 is an abundant number, since it is smaller than the sum of its proper divisors (33307808132).

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

31854618088 is a wasteful number, since it uses less digits than its factorization.

31854618088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372454 (or 372433 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 31854618088 in words is "thirty-one billion, eight hundred fifty-four million, six hundred eighteen thousand, eighty-eight".