2331445113 has 20 divisors (see below), whose sum is σ = 3487774180. Its totient is φ = 1552066272.

The previous prime is 2331445099. The next prime is 2331445177. The reversal of 2331445113 is 3115441332.

It is a happy number.

2331445113 is a `hidden beast` number, since 2 + 3 + 3 + 144 + 511 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1437016464 + 894428649 = 37908^2 + 29907^2 .

It is not a de Polignac number, because 2331445113 - 2⁴ = 2331445097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331445213) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37131 + ... + 77727.

It is an arithmetic number, because the mean of its divisors is an integer number (174388709).

Almost surely, 2^2331445113 is an apocalyptic number.

It is an amenable number.

2331445113 is a deficient number, since it is larger than the sum of its proper divisors (1156329067).

2331445113 is an equidigital number, since it uses as much as digits as its factorization.

2331445113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41318 (or 41309 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2331445113 is about 48285.0402609338. The cubic root of 2331445113 is about 1325.9945281402.

Adding to 2331445113 its reverse (3115441332), we get a palindrome (5446886445).

The spelling of 2331445113 in words is "two billion, three hundred thirty-one million, four hundred forty-five thousand, one hundred thirteen".