316157401 has 4 divisors (see below), whose sum is σ = 361322752. Its totient is φ = 270992052.

The previous prime is 316157399. The next prime is 316157407. The reversal of 316157401 is 104751613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 316157401 - 2¹ = 316157399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 316157401.

It is not an unprimeable number, because it can be changed into a prime (316157407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22582665 + ... + 22582678.

It is an arithmetic number, because the mean of its divisors is an integer number (90330688).

Almost surely, 2^316157401 is an apocalyptic number.

It is an amenable number.

316157401 is a deficient number, since it is larger than the sum of its proper divisors (45165351).

316157401 is an equidigital number, since it uses as much as digits as its factorization.

316157401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45165350.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 316157401 is about 17780.8155324777. The cubic root of 316157401 is about 681.2415330317.

The spelling of 316157401 in words is "three hundred sixteen million, one hundred fifty-seven thousand, four hundred one".