315250345431 has 24 divisors (see below), whose sum is σ = 531033952800. Its totient is φ = 180143052768.

The previous prime is 315250345409. The next prime is 315250345441. The reversal of 315250345431 is 134543052513.

315250345431 is a `hidden beast` number, since 3 + 152 + 50 + 3 + 454 + 3 + 1 = 666.

It is not a de Polignac number, because 315250345431 - 2¹⁴ = 315250329047 is a prime.

It is a super-2 number, since 2×315250345431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315250345441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51057870 + ... + 51064043.

It is an arithmetic number, because the mean of its divisors is an integer number (22126414700).

Almost surely, 2^315250345431 is an apocalyptic number.

315250345431 is a deficient number, since it is larger than the sum of its proper divisors (215783607369).

315250345431 is a wasteful number, since it uses less digits than its factorization.

315250345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102121940 (or 102121923 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 315250345431 its reverse (134543052513), we get a palindrome (449793397944).

The spelling of 315250345431 in words is "three hundred fifteen billion, two hundred fifty million, three hundred forty-five thousand, four hundred thirty-one".