2531120632 has 16 divisors (see below), whose sum is σ = 4753241640. Its totient is φ = 1263589536.

The previous prime is 2531120617. The next prime is 2531120659. The reversal of 2531120632 is 2360211352.

It is a junction number, because it is equal to n+sod(n) for n = 2531120597 and 2531120606.

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, 240883 + ... + 251170.

Almost surely, 2^2531120632 is an apocalyptic number.

It is an amenable number.

2531120632 is a deficient number, since it is larger than the sum of its proper divisors (2222121008).

2531120632 is a wasteful number, since it uses less digits than its factorization.

2531120632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492702 (or 492698 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2531120632 is about 50310.2438077972. The cubic root of 2531120632 is about 1362.8172267217.

Adding to 2531120632 its reverse (2360211352), we get a palindrome (4891331984).

The spelling of 2531120632 in words is "two billion, five hundred thirty-one million, one hundred twenty thousand, six hundred thirty-two".