31376257434 has 48 divisors (see below), whose sum is σ = 72848123712. Its totient is φ = 9724927104.

The previous prime is 31376257397. The next prime is 31376257459. The reversal of 31376257434 is 43475267313.

31376257434 is a `hidden beast` number, since 3 + 1 + 3 + 76 + 2 + 574 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31376257434.

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 23 ways as a sum of consecutive naturals, for example, 592294 + ... + 643089.

It is an arithmetic number, because the mean of its divisors is an integer number (1517669244).

Almost surely, 2^31376257434 is an apocalyptic number.

31376257434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31376257434 is an abundant number, since it is smaller than the sum of its proper divisors (41471866278).

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

31376257434 is a wasteful number, since it uses less digits than its factorization.

31376257434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235491 (or 1235488 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The spelling of 31376257434 in words is "thirty-one billion, three hundred seventy-six million, two hundred fifty-seven thousand, four hundred thirty-four".