157710313 has 4 divisors (see below), whose sum is σ = 161556948. Its totient is φ = 153863680.

The previous prime is 157710269. The next prime is 157710331. The reversal of 157710313 is 313017751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5607424 + 152102889 = 2368^2 + 12333^2 .

It is a cyclic number.

It is not a de Polignac number, because 157710313 - 2²⁵ = 124155881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157711313) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1923256 + ... + 1923337.

It is an arithmetic number, because the mean of its divisors is an integer number (40389237).

Almost surely, 2^157710313 is an apocalyptic number.

It is an amenable number.

157710313 is a deficient number, since it is larger than the sum of its proper divisors (3846635).

157710313 is an equidigital number, since it uses as much as digits as its factorization.

157710313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846634.

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 157710313 is about 12558.2766731745. The cubic root of 157710313 is about 540.2814182440.

The spelling of 157710313 in words is "one hundred fifty-seven million, seven hundred ten thousand, three hundred thirteen".