2531113460 has 12 divisors (see below), whose sum is σ = 5315338308. Its totient is φ = 1012445376.

The previous prime is 2531113457. The next prime is 2531113463. The reversal of 2531113460 is 643111352.

It is an interprime number because it is at equal distance from previous prime (2531113457) and next prime (2531113463).

It can be written as a sum of positive squares in 2 ways, for example, as 1060544356 + 1470569104 = 32566^2 + 38348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531113463) 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, 63277817 + ... + 63277856.

It is an arithmetic number, because the mean of its divisors is an integer number (442944859).

Almost surely, 2^2531113460 is an apocalyptic number.

2531113460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2531113460 is an abundant number, since it is smaller than the sum of its proper divisors (2784224848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531113460 is a wasteful number, since it uses less digits than its factorization.

2531113460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126555682 (or 126555680 counting only the distinct ones).

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

The square root of 2531113460 is about 50310.1725300162. The cubic root of 2531113460 is about 1362.8159395271.

The spelling of 2531113460 in words is "two billion, five hundred thirty-one million, one hundred thirteen thousand, four hundred sixty".