31322312313323 has 4 divisors (see below), whose sum is σ = 31351778271408. Its totient is φ = 31292846355240.

The previous prime is 31322312313283. The next prime is 31322312313343. The reversal of 31322312313323 is 32331321322313.

It is a happy number.

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 31322312313323 - 2¹² = 31322312309227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31322312313323.

It is not an unprimeable number, because it can be changed into a prime (31322312313343) 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, 14732977448 + ... + 14732979573.

It is an arithmetic number, because the mean of its divisors is an integer number (7837944567852).

Almost surely, 2^{31322312313323} is an apocalyptic number.

31322312313323 is a deficient number, since it is larger than the sum of its proper divisors (29465958085).

31322312313323 is a wasteful number, since it uses less digits than its factorization.

31322312313323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29465958084.

The product of its digits is 34992, while the sum is 32.

Adding to 31322312313323 its reverse (32331321322313), we get a palindrome (63653633635636).

The spelling of 31322312313323 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred twelve million, three hundred thirteen thousand, three hundred twenty-three".