123031331033313 has 8 divisors (see below), whose sum is σ = 165634413300928. Its totient is φ = 81224568060624.

The previous prime is 123031331033269. The next prime is 123031331033363. The reversal of 123031331033313 is 313330133130321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123031331033313 - 2⁹ = 123031331032801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031331033363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199079823370 + ... + 199079823987.

It is an arithmetic number, because the mean of its divisors is an integer number (20704301662616).

Almost surely, 2^{123031331033313} is an apocalyptic number.

It is an amenable number.

123031331033313 is a deficient number, since it is larger than the sum of its proper divisors (42603082267615).

123031331033313 is a wasteful number, since it uses less digits than its factorization.

123031331033313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398159647463.

The product of its (nonzero) digits is 13122, while the sum is 30.

Adding to 123031331033313 its reverse (313330133130321), we get a palindrome (436361464163634).

The spelling of 123031331033313 in words is "one hundred twenty-three trillion, thirty-one billion, three hundred thirty-one million, thirty-three thousand, three hundred thirteen".