2131045131 has 8 divisors (see below), whose sum is σ = 2889552960. Its totient is φ = 1396617032.

The previous prime is 2131045123. The next prime is 2131045153. The reversal of 2131045131 is 1315401312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131045131 - 2³ = 2131045123 is a prime.

It is a super-2 number, since 2×2131045131² = 9082706700717614322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131045098 and 2131045107.

It is not an unprimeable number, because it can be changed into a prime (2131045171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6019725 + ... + 6020078.

It is an arithmetic number, because the mean of its divisors is an integer number (361194120).

Almost surely, 2^2131045131 is an apocalyptic number.

2131045131 is a deficient number, since it is larger than the sum of its proper divisors (758507829).

2131045131 is a wasteful number, since it uses less digits than its factorization.

2131045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12039865.

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

The square root of 2131045131 is about 46163.2443725525. The cubic root of 2131045131 is about 1286.8587575148.

Adding to 2131045131 its reverse (1315401312), we get a palindrome (3446446443).

It can be divided in two parts, 2 and 131045131, that multiplied together give a palindrome (262090262).

The spelling of 2131045131 in words is "two billion, one hundred thirty-one million, forty-five thousand, one hundred thirty-one".