631046157 has 24 divisors (see below), whose sum is σ = 980051616. Its totient is φ = 360124128.

The previous prime is 631046149. The next prime is 631046161. The reversal of 631046157 is 751640136.

It is not a de Polignac number, because 631046157 - 2³ = 631046149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631046167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130963 + ... + 135695.

It is an arithmetic number, because the mean of its divisors is an integer number (40835484).

Almost surely, 2^631046157 is an apocalyptic number.

It is an amenable number.

631046157 is a deficient number, since it is larger than the sum of its proper divisors (349005459).

631046157 is a wasteful number, since it uses less digits than its factorization.

631046157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5657 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 631046157 is about 25120.6320979389. The cubic root of 631046157 is about 857.7361393250.

The spelling of 631046157 in words is "six hundred thirty-one million, forty-six thousand, one hundred fifty-seven".