315169401 has 4 divisors (see below), whose sum is σ = 420225872. Its totient is φ = 210112932.

The previous prime is 315169399. The next prime is 315169433. The reversal of 315169401 is 104961513.

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 not a de Polignac number, because 315169401 - 2¹ = 315169399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315169201) 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, 52528231 + ... + 52528236.

It is an arithmetic number, because the mean of its divisors is an integer number (105056468).

Almost surely, 2^315169401 is an apocalyptic number.

It is an amenable number.

315169401 is a deficient number, since it is larger than the sum of its proper divisors (105056471).

315169401 is a wasteful number, since it uses less digits than its factorization.

315169401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105056470.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 315169401 is about 17753.0110403841. The cubic root of 315169401 is about 680.5311601087.

The spelling of 315169401 in words is "three hundred fifteen million, one hundred sixty-nine thousand, four hundred one".