2531143456 has 24 divisors (see below), whose sum is σ = 4987153584. Its totient is φ = 1264564800.

The previous prime is 2531143441. The next prime is 2531143543. The reversal of 2531143456 is 6543411352.

2531143456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 10231 + ... + 71881.

It is an arithmetic number, because the mean of its divisors is an integer number (207798066).

Almost surely, 2^2531143456 is an apocalyptic number.

It is an amenable number.

2531143456 is a deficient number, since it is larger than the sum of its proper divisors (2456010128).

2531143456 is a wasteful number, since it uses less digits than its factorization.

2531143456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62944 (or 62936 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 2531143456 is about 50310.4706398181. The cubic root of 2531143456 is about 1362.8213230426.

The spelling of 2531143456 in words is "two billion, five hundred thirty-one million, one hundred forty-three thousand, four hundred fifty-six".