315012400631065 has 64 divisors (see below), whose sum is σ = 400294898438400. Its totient is φ = 237626903471104.

The previous prime is 315012400631039. The next prime is 315012400631069. The reversal of 315012400631065 is 560136004210513.

It is not a de Polignac number, because 315012400631065 - 2³¹ = 315010253147417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315012400631069) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 794398734 + ... + 794795176.

It is an arithmetic number, because the mean of its divisors is an integer number (6254607788100).

Almost surely, 2^{315012400631065} is an apocalyptic number.

It is an amenable number.

315012400631065 is a deficient number, since it is larger than the sum of its proper divisors (85282497807335).

315012400631065 is a wasteful number, since it uses less digits than its factorization.

315012400631065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397146.

The product of its (nonzero) digits is 64800, while the sum is 37.

Adding to 315012400631065 its reverse (560136004210513), we get a palindrome (875148404841578).

The spelling of 315012400631065 in words is "three hundred fifteen trillion, twelve billion, four hundred million, six hundred thirty-one thousand, sixty-five".