315023401 has 36 divisors (see below), whose sum is σ = 422178480. Its totient is φ = 232409520.

The previous prime is 315023393. The next prime is 315023411. The reversal of 315023401 is 104320513.

It is not a de Polignac number, because 315023401 - 2³ = 315023393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (315023411) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 193770 + ... + 195388.

It is an arithmetic number, because the mean of its divisors is an integer number (11727180).

Almost surely, 2^315023401 is an apocalyptic number.

It is an amenable number.

315023401 is a deficient number, since it is larger than the sum of its proper divisors (107155079).

315023401 is a wasteful number, since it uses less digits than its factorization.

315023401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 315023401 is about 17748.8985855461. The cubic root of 315023401 is about 680.4260601262.

Adding to 315023401 its reverse (104320513), we get a palindrome (419343914).

The spelling of 315023401 in words is "three hundred fifteen million, twenty-three thousand, four hundred one".