2531640113 has 8 divisors (see below), whose sum is σ = 2578524480. Its totient is φ = 2485067760.

The previous prime is 2531639993. The next prime is 2531640127. The reversal of 2531640113 is 3110461352.

2531640113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2531640113 - 2¹² = 2531636017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531640413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61595 + ... + 94112.

It is an arithmetic number, because the mean of its divisors is an integer number (322315560).

Almost surely, 2^2531640113 is an apocalyptic number.

It is an amenable number.

2531640113 is a deficient number, since it is larger than the sum of its proper divisors (46884367).

2531640113 is a wasteful number, since it uses less digits than its factorization.

2531640113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156007.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 2531640113 is about 50315.4063185422. The cubic root of 2531640113 is about 1362.9104541008.

The spelling of 2531640113 in words is "two billion, five hundred thirty-one million, six hundred forty thousand, one hundred thirteen".