2531334687136 has 48 divisors (see below), whose sum is σ = 5103914392584. Its totient is φ = 1235459948544.

The previous prime is 2531334687109. The next prime is 2531334687137. The reversal of 2531334687136 is 6317864331352.

It can be written as a sum of positive squares in 4 ways, for example, as 2492470507536 + 38864179600 = 1578756^2 + 197140^2 .

It is a super-2 number, since 2×2531334687136² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2531334687137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5359075 + ... + 5812258.

Almost surely, 2^{2531334687136} is an apocalyptic number.

It is an amenable number.

2531334687136 is an abundant number, since it is smaller than the sum of its proper divisors (2572579705448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531334687136 is a wasteful number, since it uses less digits than its factorization.

2531334687136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171513 (or 11171505 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 52.

The spelling of 2531334687136 in words is "two trillion, five hundred thirty-one billion, three hundred thirty-four million, six hundred eighty-seven thousand, one hundred thirty-six".