31074232642 has 16 divisors (see below), whose sum is σ = 47608404480. Its totient is φ = 15204838528.

The previous prime is 31074232601. The next prime is 31074232661. The reversal of 31074232642 is 24623247013.

It is a junction number, because it is equal to n+sod(n) for n = 31074232598 and 31074232607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1411959 + ... + 1433797.

It is an arithmetic number, because the mean of its divisors is an integer number (2975525280).

Almost surely, 2^31074232642 is an apocalyptic number.

31074232642 is a deficient number, since it is larger than the sum of its proper divisors (16534171838).

31074232642 is a wasteful number, since it uses less digits than its factorization.

31074232642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37025.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 31074232642 its reverse (24623247013), we get a palindrome (55697479655).

The spelling of 31074232642 in words is "thirty-one billion, seventy-four million, two hundred thirty-two thousand, six hundred forty-two".