3157425631 has 2 divisors, whose sum is σ = 3157425632. Its totient is φ = 3157425630.

The previous prime is 3157425619. The next prime is 3157425637. The reversal of 3157425631 is 1365247513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3157425631 - 2⁷ = 3157425503 is a prime.

It is a super-2 number, since 2×3157425631² = 19938673230591496322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3157425637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578712815 + 1578712816.

It is an arithmetic number, because the mean of its divisors is an integer number (1578712816).

Almost surely, 2^3157425631 is an apocalyptic number.

3157425631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157425631 is an equidigital number, since it uses as much as digits as its factorization.

3157425631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 3157425631 is about 56190.9746400612. The cubic root of 3157425631 is about 1467.0481792008.

The spelling of 3157425631 in words is "three billion, one hundred fifty-seven million, four hundred twenty-five thousand, six hundred thirty-one".