31321233212313 has 16 divisors (see below), whose sum is σ = 46789458952896. Its totient is φ = 18469523269440.

The previous prime is 31321233212287. The next prime is 31321233212333.

31321233212313 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31321233212313 - 2¹⁷ = 31321233081241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31321233212333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12826056606 + ... + 12826059047.

It is an arithmetic number, because the mean of its divisors is an integer number (2924341184556).

Almost surely, 2^{31321233212313} is an apocalyptic number.

31321233212313 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31321233212313 is a deficient number, since it is larger than the sum of its proper divisors (15468225740583).

31321233212313 is a wasteful number, since it uses less digits than its factorization.

31321233212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25652115704.

The product of its digits is 11664, while the sum is 30.

It can be divided in two parts, 3132123 and 3212313, that added together give a palindrome (6344436).

The spelling of 31321233212313 in words is "thirty-one trillion, three hundred twenty-one billion, two hundred thirty-three million, two hundred twelve thousand, three hundred thirteen".