315512106403031 has 16 divisors (see below), whose sum is σ = 329747279823360. Its totient is φ = 301320220370400.

The previous prime is 315512106403027. The next prime is 315512106403037. The reversal of 315512106403031 is 130304601215513.

It is a cyclic number.

It is not a de Polignac number, because 315512106403031 - 2² = 315512106403027 is a prime.

It is a super-2 number, since 2×315512106403031² (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 = 315512106402982 and 315512106403000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315512106403037) 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, 73989125 + ... + 78137153.

It is an arithmetic number, because the mean of its divisors is an integer number (20609204988960).

Almost surely, 2^{315512106403031} is an apocalyptic number.

315512106403031 is a deficient number, since it is larger than the sum of its proper divisors (14235173420329).

315512106403031 is a wasteful number, since it uses less digits than its factorization.

315512106403031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153246.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 315512106403031 its reverse (130304601215513), we get a palindrome (445816707618544).

The spelling of 315512106403031 in words is "three hundred fifteen trillion, five hundred twelve billion, one hundred six million, four hundred three thousand, thirty-one".