31080339408 has 20 divisors (see below), whose sum is σ = 80290876928. Its totient is φ = 10360113120.

The previous prime is 31080339391. The next prime is 31080339431. The reversal of 31080339408 is 80493308013.

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, 323753488 + ... + 323753583.

Almost surely, 2^31080339408 is an apocalyptic number.

It is an amenable number.

31080339408 is an abundant number, since it is smaller than the sum of its proper divisors (49210537520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31080339408 is a wasteful number, since it uses less digits than its factorization.

31080339408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647507082 (or 647507076 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 31080339408 in words is "thirty-one billion, eighty million, three hundred thirty-nine thousand, four hundred eight".