320213202331 has 8 divisors (see below), whose sum is σ = 349386854400. Its totient is φ = 291050110440.

The previous prime is 320213202307. The next prime is 320213202343. The reversal of 320213202331 is 133202312023.

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 320213202331 - 2²⁵ = 320179647899 is a prime.

It is a super-2 number, since 2×320213202331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320213202031) 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, 2576571 + ... + 2697988.

It is an arithmetic number, because the mean of its divisors is an integer number (43673356800).

Almost surely, 2^320213202331 is an apocalyptic number.

320213202331 is a deficient number, since it is larger than the sum of its proper divisors (29173652069).

320213202331 is a wasteful number, since it uses less digits than its factorization.

320213202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280089.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 320213202331 its reverse (133202312023), we get a palindrome (453415514354).

The spelling of 320213202331 in words is "three hundred twenty billion, two hundred thirteen million, two hundred two thousand, three hundred thirty-one".