2331021113 has 12 divisors (see below), whose sum is σ = 2492870700. Its totient is φ = 2179137792.

The previous prime is 2331021107. The next prime is 2331021139. The reversal of 2331021113 is 3111201332.

2331021113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 203689984 + 2127331129 = 14272^2 + 46123^2 .

It is not a de Polignac number, because 2331021113 - 2¹⁴ = 2331004729 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2331021091 and 2331021100.

It is not an unprimeable number, because it can be changed into a prime (2331021103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15995 + ... + 70127.

It is an arithmetic number, because the mean of its divisors is an integer number (207739225).

Almost surely, 2^2331021113 is an apocalyptic number.

It is an amenable number.

2331021113 is a deficient number, since it is larger than the sum of its proper divisors (161849587).

2331021113 is a wasteful number, since it uses less digits than its factorization.

2331021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54316 (or 54299 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2331021113 is about 48280.6494674626. The cubic root of 2331021113 is about 1325.9141408356.

Adding to 2331021113 its reverse (3111201332), we get a palindrome (5442222445).

The spelling of 2331021113 in words is "two billion, three hundred thirty-one million, twenty-one thousand, one hundred thirteen".