320131213333 has 4 divisors (see below), whose sum is σ = 320152419360. Its totient is φ = 320110007308.

The previous prime is 320131213319. The next prime is 320131213349. The reversal of 320131213333 is 333312131023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 320131213333 - 2³⁷ = 182692259861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320131213298 and 320131213307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320131213733) 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, 10580353 + ... + 10610566.

It is an arithmetic number, because the mean of its divisors is an integer number (80038104840).

Almost surely, 2^320131213333 is an apocalyptic number.

It is an amenable number.

320131213333 is a deficient number, since it is larger than the sum of its proper divisors (21206027).

320131213333 is a wasteful number, since it uses less digits than its factorization.

320131213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21206026.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 320131213333 its reverse (333312131023), we get a palindrome (653443344356).

The spelling of 320131213333 in words is "three hundred twenty billion, one hundred thirty-one million, two hundred thirteen thousand, three hundred thirty-three".