31264513442 has 32 divisors (see below), whose sum is σ = 49876041600. Its totient is φ = 14647461120.

The previous prime is 31264513429. The next prime is 31264513477. The reversal of 31264513442 is 24431546213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14601692 + ... + 14603832.

It is an arithmetic number, because the mean of its divisors is an integer number (1558626300).

Almost surely, 2^31264513442 is an apocalyptic number.

31264513442 is a deficient number, since it is larger than the sum of its proper divisors (18611528158).

31264513442 is a wasteful number, since it uses less digits than its factorization.

31264513442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3866.

The product of its digits is 69120, while the sum is 35.

The spelling of 31264513442 in words is "thirty-one billion, two hundred sixty-four million, five hundred thirteen thousand, four hundred forty-two".