2531461231 has 12 divisors (see below), whose sum is σ = 2745425928. Its totient is φ = 2320272864.

The previous prime is 2531461199. The next prime is 2531461241. The reversal of 2531461231 is 1321641352.

2531461231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2531461231 - 2⁵ = 2531461199 is a prime.

It is a super-2 number, since 2×2531461231² = 12816591928112070722, 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 2531461231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531461241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2315521 + ... + 2316613.

It is an arithmetic number, because the mean of its divisors is an integer number (228785494).

Almost surely, 2^2531461231 is an apocalyptic number.

2531461231 is a deficient number, since it is larger than the sum of its proper divisors (213964697).

2531461231 is an equidigital number, since it uses as much as digits as its factorization.

2531461231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 1269 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2531461231 is about 50313.6286805076. The cubic root of 2531461231 is about 1362.8783529227.

The spelling of 2531461231 in words is "two billion, five hundred thirty-one million, four hundred sixty-one thousand, two hundred thirty-one".