2320321131331 has 4 divisors (see below), whose sum is σ = 2651795578672. Its totient is φ = 1988846683992.

The previous prime is 2320321131251. The next prime is 2320321131347. The reversal of 2320321131331 is 1331311230232.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2320321131331 - 2⁹ = 2320321130819 is a prime.

It is a super-2 number, since 2×2320321131331² (a number of 26 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 = 2320321131296 and 2320321131305.

It is not an unprimeable number, because it can be changed into a prime (2320321131031) 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, 165737223660 + ... + 165737223673.

It is an arithmetic number, because the mean of its divisors is an integer number (662948894668).

Almost surely, 2^{2320321131331} is an apocalyptic number.

2320321131331 is a deficient number, since it is larger than the sum of its proper divisors (331474447341).

2320321131331 is an equidigital number, since it uses as much as digits as its factorization.

2320321131331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331474447340.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2320321131331 its reverse (1331311230232), we get a palindrome (3651632361563).

The spelling of 2320321131331 in words is "two trillion, three hundred twenty billion, three hundred twenty-one million, one hundred thirty-one thousand, three hundred thirty-one".