2131045113 has 4 divisors (see below), whose sum is σ = 2841393488. Its totient is φ = 1420696740.

The previous prime is 2131045099. The next prime is 2131045117. The reversal of 2131045113 is 3115401312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2131045113 - 2⁴ = 2131045097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131045113.

It is not an unprimeable number, because it can be changed into a prime (2131045117) 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, 355174183 + ... + 355174188.

It is an arithmetic number, because the mean of its divisors is an integer number (710348372).

Almost surely, 2^2131045113 is an apocalyptic number.

It is an amenable number.

2131045113 is a deficient number, since it is larger than the sum of its proper divisors (710348375).

2131045113 is an equidigital number, since it uses as much as digits as its factorization.

2131045113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710348374.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2131045113 is about 46163.2441775922. The cubic root of 2131045113 is about 1286.8587538916.

Adding to 2131045113 its reverse (3115401312), we get a palindrome (5246446425).

The spelling of 2131045113 in words is "two billion, one hundred thirty-one million, forty-five thousand, one hundred thirteen".