2531292138280 has 32 divisors (see below), whose sum is σ = 5754122859240. Its totient is φ = 1002078535680.

The previous prime is 2531292138269. The next prime is 2531292138289. The reversal of 2531292138280 is 828312921352.

It can be written as a sum of positive squares in 4 ways, for example, as 2360899856484 + 170392281796 = 1536522^2 + 412786^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2531292138280.

It is not an unprimeable number, because it can be changed into a prime (2531292138289) 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, 326193561 + ... + 326201320.

Almost surely, 2^{2531292138280} is an apocalyptic number.

2531292138280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531292138280 is an abundant number, since it is smaller than the sum of its proper divisors (3222830720960).

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

2531292138280 is a wasteful number, since it uses less digits than its factorization.

2531292138280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652394989 (or 652394985 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 2531292138280 in words is "two trillion, five hundred thirty-one billion, two hundred ninety-two million, one hundred thirty-eight thousand, two hundred eighty".