2320244031311 has 4 divisors (see below), whose sum is σ = 2328620363832. Its totient is φ = 2311867698792.

The previous prime is 2320244031263. The next prime is 2320244031331. The reversal of 2320244031311 is 1131304420232.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2320244031311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320244031331) 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, 4188165845 + ... + 4188166398.

It is an arithmetic number, because the mean of its divisors is an integer number (582155090958).

Almost surely, 2^{2320244031311} is an apocalyptic number.

2320244031311 is a deficient number, since it is larger than the sum of its proper divisors (8376332521).

2320244031311 is an equidigital number, since it uses as much as digits as its factorization.

2320244031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8376332520.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2320244031311 its reverse (1131304420232), we get a palindrome (3451548451543).

The spelling of 2320244031311 in words is "two trillion, three hundred twenty billion, two hundred forty-four million, thirty-one thousand, three hundred eleven".