2531223004 has 6 divisors (see below), whose sum is σ = 4429640264. Its totient is φ = 1265611500.

The previous prime is 2531223001. The next prime is 2531223017. The reversal of 2531223004 is 4003221352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2531223001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316402872 + ... + 316402879.

Almost surely, 2^2531223004 is an apocalyptic number.

It is an amenable number.

2531223004 is a deficient number, since it is larger than the sum of its proper divisors (1898417260).

2531223004 is a wasteful number, since it uses less digits than its factorization.

2531223004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632805755 (or 632805753 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2531223004 is about 50311.2612046250. The cubic root of 2531223004 is about 1362.8355996698.

Adding to 2531223004 its reverse (4003221352), we get a palindrome (6534444356).

The spelling of 2531223004 in words is "two billion, five hundred thirty-one million, two hundred twenty-three thousand, four".