323121323313 has 32 divisors (see below), whose sum is σ = 495272870400. Its totient is φ = 207957673728.

The previous prime is 323121323267. The next prime is 323121323333. The reversal of 323121323313 is 313323121323.

323121323313 is a `hidden beast` number, since 3 + 2 + 3 + 1 + 21 + 323 + 313 = 666.

It is not a de Polignac number, because 323121323313 - 2²⁴ = 323104546097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (323121323333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6727881 + ... + 6775737.

It is an arithmetic number, because the mean of its divisors is an integer number (15477277200).

Almost surely, 2^323121323313 is an apocalyptic number.

It is an amenable number.

323121323313 is a deficient number, since it is larger than the sum of its proper divisors (172151547087).

323121323313 is a wasteful number, since it uses less digits than its factorization.

323121323313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56518 (or 56512 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 323121323313 its reverse (313323121323), we get a palindrome (636444444636).

The spelling of 323121323313 in words is "three hundred twenty-three billion, one hundred twenty-one million, three hundred twenty-three thousand, three hundred thirteen".