25230331131999 has 32 divisors (see below), whose sum is σ = 38457785802240. Its totient is φ = 14412995300352.

The previous prime is 25230331131883. The next prime is 25230331132049. The reversal of 25230331131999 is 99913113303252.

It is not a de Polignac number, because 25230331131999 - 2⁹ = 25230331131487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230331131199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1397096632 + ... + 1397114690.

It is an arithmetic number, because the mean of its divisors is an integer number (1201805806320).

Almost surely, 2^{25230331131999} is an apocalyptic number.

25230331131999 is a deficient number, since it is larger than the sum of its proper divisors (13227454670241).

25230331131999 is a wasteful number, since it uses less digits than its factorization.

25230331131999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34399.

The product of its (nonzero) digits is 1180980, while the sum is 51.

The spelling of 25230331131999 in words is "twenty-five trillion, two hundred thirty billion, three hundred thirty-one million, one hundred thirty-one thousand, nine hundred ninety-nine".