31225942974 has 16 divisors (see below), whose sum is σ = 62462829312. Its totient is φ = 10406823768.

The previous prime is 31225942933. The next prime is 31225942981. The reversal of 31225942974 is 47924952213.

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, 418644 + ... + 487559.

It is an arithmetic number, because the mean of its divisors is an integer number (3903926832).

Almost surely, 2^31225942974 is an apocalyptic number.

31225942974 is an abundant number, since it is smaller than the sum of its proper divisors (31236886338).

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

31225942974 is a wasteful number, since it uses less digits than its factorization.

31225942974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911951.

The product of its digits is 1088640, while the sum is 48.

The spelling of 31225942974 in words is "thirty-one billion, two hundred twenty-five million, nine hundred forty-two thousand, nine hundred seventy-four".