315411321 has 16 divisors (see below), whose sum is σ = 438457536. Its totient is φ = 201504576.

The previous prime is 315411307. The next prime is 315411361. The reversal of 315411321 is 123114513.

It is not a de Polignac number, because 315411321 - 2⁵ = 315411289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315411301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16230 + ... + 29903.

It is an arithmetic number, because the mean of its divisors is an integer number (27403596).

Almost surely, 2^315411321 is an apocalyptic number.

It is an amenable number.

315411321 is a deficient number, since it is larger than the sum of its proper divisors (123046215).

315411321 is a wasteful number, since it uses less digits than its factorization.

315411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46232.

The product of its digits is 360, while the sum is 21.

The square root of 315411321 is about 17759.8232254716. The cubic root of 315411321 is about 680.7052379136.

Adding to 315411321 its reverse (123114513), we get a palindrome (438525834).

The spelling of 315411321 in words is "three hundred fifteen million, four hundred eleven thousand, three hundred twenty-one".