31311332092 has 12 divisors (see below), whose sum is σ = 54796739256. Its totient is φ = 15655120880.

The previous prime is 31311332083. The next prime is 31311332119. The reversal of 31311332092 is 29023311313.

It is a self number, because there is not a number n which added to its sum of digits gives 31311332092.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 10503 + ... + 250465.

It is an arithmetic number, because the mean of its divisors is an integer number (4566394938).

Almost surely, 2^31311332092 is an apocalyptic number.

It is an amenable number.

31311332092 is a deficient number, since it is larger than the sum of its proper divisors (23485407164).

31311332092 is a wasteful number, since it uses less digits than its factorization.

31311332092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272588 (or 272586 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 31311332092 in words is "thirty-one billion, three hundred eleven million, three hundred thirty-two thousand, ninety-two".