315303040502131 has 32 divisors (see below), whose sum is σ = 344835872845056. Its totient is φ = 285916237776000.

The previous prime is 315303040502117. The next prime is 315303040502159. The reversal of 315303040502131 is 131205040303513.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 315303040502131 - 2¹⁵ = 315303040469363 is a prime.

It is a super-2 number, since 2×315303040502131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315303040502093 and 315303040502102.

It is not an unprimeable number, because it can be changed into a prime (315303040502231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22629939241 + ... + 22629953173.

It is an arithmetic number, because the mean of its divisors is an integer number (10776121026408).

Almost surely, 2^{315303040502131} is an apocalyptic number.

315303040502131 is a deficient number, since it is larger than the sum of its proper divisors (29532832342925).

315303040502131 is a wasteful number, since it uses less digits than its factorization.

315303040502131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17923.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 315303040502131 its reverse (131205040303513), we get a palindrome (446508080805644).

The spelling of 315303040502131 in words is "three hundred fifteen trillion, three hundred three billion, forty million, five hundred two thousand, one hundred thirty-one".