3157347515 has 48 divisors (see below), whose sum is σ = 4591312128. Its totient is φ = 2041526592.

The previous prime is 3157347499. The next prime is 3157347607. The reversal of 3157347515 is 5157437513.

It is not a de Polignac number, because 3157347515 - 2⁴ = 3157347499 is a prime.

It is a Duffinian 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 47 ways as a sum of consecutive naturals, for example, 3575264 + ... + 3576146.

It is an arithmetic number, because the mean of its divisors is an integer number (95652336).

Almost surely, 2^3157347515 is an apocalyptic number.

3157347515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3157347515 is a deficient number, since it is larger than the sum of its proper divisors (1433964613).

3157347515 is a wasteful number, since it uses less digits than its factorization.

3157347515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 1197 counting only the distinct ones).

The product of its digits is 220500, while the sum is 41.

The square root of 3157347515 is about 56190.2795419279. The cubic root of 3157347515 is about 1467.0360806439.

The spelling of 3157347515 in words is "three billion, one hundred fifty-seven million, three hundred forty-seven thousand, five hundred fifteen".