123315325321331 has 48 divisors (see below), whose sum is σ = 147242198404224. Its totient is φ = 102583619424000.

The previous prime is 123315325321301. The next prime is 123315325321369. The reversal of 123315325321331 is 133123523513321.

It is not a de Polignac number, because 123315325321331 - 2¹⁰ = 123315325320307 is a prime.

It is a super-2 number, since 2×123315325321331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123315325321301) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105860921 + ... + 107019461.

It is an arithmetic number, because the mean of its divisors is an integer number (3067545800088).

Almost surely, 2^{123315325321331} is an apocalyptic number.

123315325321331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123315325321331 is a deficient number, since it is larger than the sum of its proper divisors (23926873082893).

123315325321331 is a wasteful number, since it uses less digits than its factorization.

123315325321331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159164 (or 1159153 counting only the distinct ones).

The product of its digits is 145800, while the sum is 38.

Adding to 123315325321331 its reverse (133123523513321), we get a palindrome (256438848834652).

The spelling of 123315325321331 in words is "one hundred twenty-three trillion, three hundred fifteen billion, three hundred twenty-five million, three hundred twenty-one thousand, three hundred thirty-one".