3131553157 has 8 divisors (see below), whose sum is σ = 3191224320. Its totient is φ = 3072150960.

The previous prime is 3131553151. The next prime is 3131553163. The reversal of 3131553157 is 7513551313.

It is an interprime number because it is at equal distance from previous prime (3131553151) and next prime (3131553163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3131553157 - 2¹⁵ = 3131520389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131553151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43657 + ... + 90382.

It is an arithmetic number, because the mean of its divisors is an integer number (398903040).

Almost surely, 2^3131553157 is an apocalyptic number.

It is an amenable number.

3131553157 is a deficient number, since it is larger than the sum of its proper divisors (59671163).

3131553157 is a wasteful number, since it uses less digits than its factorization.

3131553157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134483.

The product of its digits is 23625, while the sum is 34.

The square root of 3131553157 is about 55960.2819596185. The cubic root of 3131553157 is about 1463.0301047813.

The spelling of 3131553157 in words is "three billion, one hundred thirty-one million, five hundred fifty-three thousand, one hundred fifty-seven".