2530116631 has 4 divisors (see below), whose sum is σ = 2891561872. Its totient is φ = 2168671392.

The previous prime is 2530116623. The next prime is 2530116637. The reversal of 2530116631 is 1366110352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2530116631 - 2³ = 2530116623 is a prime.

It is a super-2 number, since 2×2530116631² = 12802980332925580322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2530116631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530116637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180722610 + ... + 180722623.

It is an arithmetic number, because the mean of its divisors is an integer number (722890468).

Almost surely, 2^2530116631 is an apocalyptic number.

2530116631 is a deficient number, since it is larger than the sum of its proper divisors (361445241).

2530116631 is an equidigital number, since it uses as much as digits as its factorization.

2530116631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361445240.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 2530116631 is about 50300.2647209734. The cubic root of 2530116631 is about 1362.6370099968.

Adding to 2530116631 its reverse (1366110352), we get a palindrome (3896226983).

The spelling of 2530116631 in words is "two billion, five hundred thirty million, one hundred sixteen thousand, six hundred thirty-one".