31743372986534 has 16 divisors (see below), whose sum is σ = 54999213089616. Its totient is φ = 13580052614400.

The previous prime is 31743372986527. The next prime is 31743372986557. The reversal of 31743372986534 is 43568927334713.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42437664047 + ... + 42437664794.

It is an arithmetic number, because the mean of its divisors is an integer number (3437450818101).

Almost surely, 2^{31743372986534} is an apocalyptic number.

31743372986534 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

31743372986534 is a deficient number, since it is larger than the sum of its proper divisors (23255840103082).

31743372986534 is a wasteful number, since it uses less digits than its factorization.

31743372986534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84875328871.

The product of its digits is 274337280, while the sum is 65.

The spelling of 31743372986534 in words is "thirty-one trillion, seven hundred forty-three billion, three hundred seventy-two million, nine hundred eighty-six thousand, five hundred thirty-four".