2130431312 has 20 divisors (see below), whose sum is σ = 4143779796. Its totient is φ = 1061068800.

The previous prime is 2130431293. The next prime is 2130431333. The reversal of 2130431312 is 2131340312.

It can be written as a sum of positive squares in 2 ways, for example, as 1433682496 + 696748816 = 37864^2 + 26396^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254939 + ... + 263162.

Almost surely, 2^2130431312 is an apocalyptic number.

It is an amenable number.

2130431312 is a deficient number, since it is larger than the sum of its proper divisors (2013348484).

2130431312 is a wasteful number, since it uses less digits than its factorization.

2130431312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518366 (or 518360 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2130431312 is about 46156.5955416991. The cubic root of 2130431312 is about 1286.7351915086.

Adding to 2130431312 its reverse (2131340312), we get a palindrome (4261771624).

The spelling of 2130431312 in words is "two billion, one hundred thirty million, four hundred thirty-one thousand, three hundred twelve".