2531313431050 has 12 divisors (see below), whose sum is σ = 4708242981846. Its totient is φ = 1012525372400.

The previous prime is 2531313431033. The next prime is 2531313431051. The reversal of 2531313431050 is 501343131352.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2382234815601 + 149078615449 = 1543449^2 + 386107^2 .

It is not an unprimeable number, because it can be changed into a prime (2531313431051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25313134261 + ... + 25313134360.

Almost surely, 2^{2531313431050} is an apocalyptic number.

2531313431050 is a deficient number, since it is larger than the sum of its proper divisors (2176929550796).

2531313431050 is a wasteful number, since it uses less digits than its factorization.

2531313431050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50626268633 (or 50626268628 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 31.

The spelling of 2531313431050 in words is "two trillion, five hundred thirty-one billion, three hundred thirteen million, four hundred thirty-one thousand, fifty".