31577371348 has 12 divisors (see below), whose sum is σ = 55361428192. Its totient is φ = 15759820440.

The previous prime is 31577371337. The next prime is 31577371369. The reversal of 31577371348 is 84317377513.

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, 7213848 + ... + 7218223.

Almost surely, 2^31577371348 is an apocalyptic number.

It is an amenable number.

31577371348 is a deficient number, since it is larger than the sum of its proper divisors (23784056844).

31577371348 is a wasteful number, since it uses less digits than its factorization.

31577371348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14432622 (or 14432620 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The spelling of 31577371348 in words is "thirty-one billion, five hundred seventy-seven million, three hundred seventy-one thousand, three hundred forty-eight".