31001320013323 has 8 divisors (see below), whose sum is σ = 34027104177216. Its totient is φ = 28010116240200.

The previous prime is 31001320013303. The next prime is 31001320013327. The reversal of 31001320013323 is 32331002310013.

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 31001320013323 - 2²⁹ = 31000783142411 is a prime.

It is a super-2 number, since 2×31001320013323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31001320013294 and 31001320013303.

It is not an unprimeable number, because it can be changed into a prime (31001320013327) 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, 8645095813 + ... + 8645099398.

It is an arithmetic number, because the mean of its divisors is an integer number (4253388022152).

Almost surely, 2^{31001320013323} is an apocalyptic number.

31001320013323 is a deficient number, since it is larger than the sum of its proper divisors (3025784163893).

31001320013323 is a wasteful number, since it uses less digits than its factorization.

31001320013323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17290195385.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31001320013323 its reverse (32331002310013), we get a palindrome (63332322323336).

The spelling of 31001320013323 in words is "thirty-one trillion, one billion, three hundred twenty million, thirteen thousand, three hundred twenty-three".