315045431220265 has 16 divisors (see below), whose sum is σ = 399325401801216. Its totient is φ = 238233904473600.

The previous prime is 315045431220241. The next prime is 315045431220283. The reversal of 315045431220265 is 562022134540513.

It is not a de Polignac number, because 315045431220265 - 2²⁷ = 315045297002537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian 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, 23634309256 + ... + 23634322585.

It is an arithmetic number, because the mean of its divisors is an integer number (24957837612576).

Almost surely, 2^{315045431220265} is an apocalyptic number.

It is an amenable number.

315045431220265 is a deficient number, since it is larger than the sum of its proper divisors (84279970580951).

315045431220265 is a wasteful number, since it uses less digits than its factorization.

315045431220265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47268631920.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 315045431220265 its reverse (562022134540513), we get a palindrome (877067565760778).

The spelling of 315045431220265 in words is "three hundred fifteen trillion, forty-five billion, four hundred thirty-one million, two hundred twenty thousand, two hundred sixty-five".