315223412001031 has 4 divisors (see below), whose sum is σ = 315775467013864. Its totient is φ = 314671356988200.

The previous prime is 315223412001019. The next prime is 315223412001049. The reversal of 315223412001031 is 130100214322513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315223412001031 - 2²¹ = 315223409903879 is a prime.

It is a super-2 number, since 2×315223412001031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315223412001061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276027505560 + ... + 276027506701.

It is an arithmetic number, because the mean of its divisors is an integer number (78943866753466).

Almost surely, 2^{315223412001031} is an apocalyptic number.

315223412001031 is a deficient number, since it is larger than the sum of its proper divisors (552055012833).

315223412001031 is an equidigital number, since it uses as much as digits as its factorization.

315223412001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552055012832.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 315223412001031 its reverse (130100214322513), we get a palindrome (445323626323544).

The spelling of 315223412001031 in words is "three hundred fifteen trillion, two hundred twenty-three billion, four hundred twelve million, one thousand, thirty-one".