2531233384 has 8 divisors (see below), whose sum is σ = 4746062610. Its totient is φ = 1265616688.

The previous prime is 2531233379. The next prime is 2531233387. The reversal of 2531233384 is 4833321352.

It can be written as a sum of positive squares in only one way, i.e., 1984702500 + 546530884 = 44550^2 + 23378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2531233387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158202079 + ... + 158202094.

Almost surely, 2^2531233384 is an apocalyptic number.

It is an amenable number.

2531233384 is a deficient number, since it is larger than the sum of its proper divisors (2214829226).

2531233384 is a wasteful number, since it uses less digits than its factorization.

2531233384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316404179 (or 316404175 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 2531233384 is about 50311.3643623387. The cubic root of 2531233384 is about 1362.8374625657.

The spelling of 2531233384 in words is "two billion, five hundred thirty-one million, two hundred thirty-three thousand, three hundred eighty-four".