2131045031 has 8 divisors (see below), whose sum is σ = 2155968000. Its totient is φ = 2106264600.

The previous prime is 2131045027. The next prime is 2131045043. The reversal of 2131045031 is 1305401312.

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 2131045031 - 2² = 2131045027 is a prime.

It is a super-2 number, since 2×2131045031² = 9082705848299581922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131044994 and 2131045012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131045331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5411 + ... + 65508.

It is an arithmetic number, because the mean of its divisors is an integer number (269496000).

Almost surely, 2^2131045031 is an apocalyptic number.

2131045031 is a deficient number, since it is larger than the sum of its proper divisors (24922969).

2131045031 is a wasteful number, since it uses less digits than its factorization.

2131045031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71269.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2131045031 is about 46163.2432894397. The cubic root of 2131045031 is about 1286.8587373860.

Adding to 2131045031 its reverse (1305401312), we get a palindrome (3436446343).

The spelling of 2131045031 in words is "two billion, one hundred thirty-one million, forty-five thousand, thirty-one".