320231033313331 has 16 divisors (see below), whose sum is σ = 375118317446400. Its totient is φ = 267709871800800.

The previous prime is 320231033313329. The next prime is 320231033313337. The reversal of 320231033313331 is 133313330132023.

It is a cyclic number.

It is not a de Polignac number, because 320231033313331 - 2¹ = 320231033313329 is a prime.

It is a super-2 number, since 2×320231033313331² (a number of 30 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 = 320231033313293 and 320231033313302.

It is not an unprimeable number, because it can be changed into a prime (320231033313337) 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, 3380127781 + ... + 3380222518.

It is an arithmetic number, because the mean of its divisors is an integer number (23444894840400).

Almost surely, 2^{320231033313331} is an apocalyptic number.

320231033313331 is a deficient number, since it is larger than the sum of its proper divisors (54887284133069).

320231033313331 is a wasteful number, since it uses less digits than its factorization.

320231033313331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6760350474.

The product of its (nonzero) digits is 26244, while the sum is 31.

Adding to 320231033313331 its reverse (133313330132023), we get a palindrome (453544363445354).

The spelling of 320231033313331 in words is "three hundred twenty trillion, two hundred thirty-one billion, thirty-three million, three hundred thirteen thousand, three hundred thirty-one".