316332157 has 2 divisors, whose sum is σ = 316332158. Its totient is φ = 316332156.

The previous prime is 316332131. The next prime is 316332167. The reversal of 316332157 is 751233613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313325401 + 3006756 = 17701^2 + 1734^2 .

It is a cyclic number.

It is not a de Polignac number, because 316332157 - 2²³ = 307943549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316332167) 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 as a sum of consecutive naturals, namely, 158166078 + 158166079.

It is an arithmetic number, because the mean of its divisors is an integer number (158166079).

Almost surely, 2^316332157 is an apocalyptic number.

It is an amenable number.

316332157 is a deficient number, since it is larger than the sum of its proper divisors (1).

316332157 is an equidigital number, since it uses as much as digits as its factorization.

316332157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 31.

The square root of 316332157 is about 17785.7290263852. The cubic root of 316332157 is about 681.3670286620.

The spelling of 316332157 in words is "three hundred sixteen million, three hundred thirty-two thousand, one hundred fifty-seven".