2131340431312 has 20 divisors (see below), whose sum is σ = 4139873790916. Its totient is φ = 1062985904640.

The previous prime is 2131340431301. The next prime is 2131340431421.

2131340431312 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 1568846431296 + 562494000016 = 1252536^2 + 749996^2 .

It is a super-2 number, since 2×2131340431312² (a number of 25 digits) contains 22 as substring.

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, 167762889 + ... + 167775592.

Almost surely, 2^{2131340431312} is an apocalyptic number.

It is an amenable number.

2131340431312 is a deficient number, since it is larger than the sum of its proper divisors (2008533359604).

2131340431312 is a wasteful number, since it uses less digits than its factorization.

2131340431312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335538886 (or 335538880 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

It can be divided in two parts, 2131340 and 431312, that added together give a palindrome (2562652).

The spelling of 2131340431312 in words is "two trillion, one hundred thirty-one billion, three hundred forty million, four hundred thirty-one thousand, three hundred twelve".