31836562142 has 48 divisors (see below), whose sum is σ = 63236598912. Its totient is φ = 11864548080.

The previous prime is 31836562139. The next prime is 31836562169. The reversal of 31836562142 is 24126563813.

It is a self number, because there is not a number n which added to its sum of digits gives 31836562142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617228 + ... + 666815.

It is an arithmetic number, because the mean of its divisors is an integer number (1317429144).

Almost surely, 2^31836562142 is an apocalyptic number.

31836562142 is a deficient number, since it is larger than the sum of its proper divisors (31400036770).

31836562142 is a wasteful number, since it uses less digits than its factorization.

31836562142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284093 (or 1284086 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The spelling of 31836562142 in words is "thirty-one billion, eight hundred thirty-six million, five hundred sixty-two thousand, one hundred forty-two".