315225321015 has 16 divisors (see below), whose sum is σ = 550211469696. Its totient is φ = 152836519200.

The previous prime is 315225320911. The next prime is 315225321029. The reversal of 315225321015 is 510123522513.

It is not a de Polignac number, because 315225321015 - 2⁹ = 315225320503 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 955228081 + ... + 955228410.

It is an arithmetic number, because the mean of its divisors is an integer number (34388216856).

Almost surely, 2^315225321015 is an apocalyptic number.

315225321015 is a deficient number, since it is larger than the sum of its proper divisors (234986148681).

315225321015 is a wasteful number, since it uses less digits than its factorization.

315225321015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910456510.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 315225321015 its reverse (510123522513), we get a palindrome (825348843528).

The spelling of 315225321015 in words is "three hundred fifteen billion, two hundred twenty-five million, three hundred twenty-one thousand, fifteen".