31310354332 has 6 divisors (see below), whose sum is σ = 54793120088. Its totient is φ = 15655177164.

The previous prime is 31310354303. The next prime is 31310354347. The reversal of 31310354332 is 23345301313.

It is a self number, because there is not a number n which added to its sum of digits gives 31310354332.

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 as a sum of consecutive naturals, namely, 3913794288 + ... + 3913794295.

Almost surely, 2^31310354332 is an apocalyptic number.

It is an amenable number.

31310354332 is a deficient number, since it is larger than the sum of its proper divisors (23482765756).

31310354332 is a wasteful number, since it uses less digits than its factorization.

31310354332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7827588587 (or 7827588585 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 31310354332 its reverse (23345301313), we get a palindrome (54655655645).

The spelling of 31310354332 in words is "thirty-one billion, three hundred ten million, three hundred fifty-four thousand, three hundred thirty-two".