31320322123313 has 8 divisors (see below), whose sum is σ = 31364738129088. Its totient is φ = 31275909784944.

The previous prime is 31320322123297. The next prime is 31320322123361. The reversal of 31320322123313 is 31332122302313.

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

It is a cyclic number.

It is not a de Polignac number, because 31320322123313 - 2⁴ = 31320322123297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31320322123813) 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, 16407470 + ... + 18216632.

It is an arithmetic number, because the mean of its divisors is an integer number (3920592266136).

Almost surely, 2^{31320322123313} is an apocalyptic number.

It is an amenable number.

31320322123313 is a deficient number, since it is larger than the sum of its proper divisors (44416005775).

31320322123313 is a wasteful number, since it uses less digits than its factorization.

31320322123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833703.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 31320322123313 its reverse (31332122302313), we get a palindrome (62652444425626).

The spelling of 31320322123313 in words is "thirty-one trillion, three hundred twenty billion, three hundred twenty-two million, one hundred twenty-three thousand, three hundred thirteen".