31112120620074 has 16 divisors (see below), whose sum is σ = 67010721335712. Its totient is φ = 9572960190768.

The previous prime is 31112120620037. The next prime is 31112120620129. The reversal of 31112120620074 is 47002602121113.

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, 199436670564 + ... + 199436670719.

It is an arithmetic number, because the mean of its divisors is an integer number (4188170083482).

Almost surely, 2^{31112120620074} is an apocalyptic number.

31112120620074 is an abundant number, since it is smaller than the sum of its proper divisors (35898600715638).

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

31112120620074 is a wasteful number, since it uses less digits than its factorization.

31112120620074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398873341301.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 31112120620074 its reverse (47002602121113), we get a palindrome (78114722741187).

The spelling of 31112120620074 in words is "thirty-one trillion, one hundred twelve billion, one hundred twenty million, six hundred twenty thousand, seventy-four".