3157813388 has 24 divisors (see below), whose sum is σ = 5712142464. Its totient is φ = 1525910400.

The previous prime is 3157813343. The next prime is 3157813409. The reversal of 3157813388 is 8833187513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77048 + ... + 110688.

It is an arithmetic number, because the mean of its divisors is an integer number (238005936).

Almost surely, 2^3157813388 is an apocalyptic number.

It is an amenable number.

3157813388 is a deficient number, since it is larger than the sum of its proper divisors (2554329076).

3157813388 is a wasteful number, since it uses less digits than its factorization.

3157813388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34433 (or 34431 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 3157813388 is about 56194.4248836128. The cubic root of 3157813388 is about 1467.1082318072.

The spelling of 3157813388 in words is "three billion, one hundred fifty-seven million, eight hundred thirteen thousand, three hundred eighty-eight".