2320031311 has 16 divisors (see below), whose sum is σ = 2539147744. Its totient is φ = 2106808704.

The previous prime is 2320031303. The next prime is 2320031317. The reversal of 2320031311 is 1131300232.

2320031311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2320031311 - 2³ = 2320031303 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 (2320031317) 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, 950785 + ... + 953221.

It is an arithmetic number, because the mean of its divisors is an integer number (158696734).

Almost surely, 2^2320031311 is an apocalyptic number.

2320031311 is a deficient number, since it is larger than the sum of its proper divisors (219116433).

2320031311 is a wasteful number, since it uses less digits than its factorization.

2320031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3610.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2320031311 is about 48166.7033437000. The cubic root of 2320031311 is about 1323.8271450620.

Adding to 2320031311 its reverse (1131300232), we get a palindrome (3451331543).

The spelling of 2320031311 in words is "two billion, three hundred twenty million, thirty-one thousand, three hundred eleven".