231230025 has 72 divisors (see below), whose sum is σ = 460193760. Its totient is φ = 113780160.

The previous prime is 231230009. The next prime is 231230117. The reversal of 231230025 is 520032132.

It is not a de Polignac number, because 231230025 - 2⁴ = 231230009 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113062 + ... + 115088.

It is an arithmetic number, because the mean of its divisors is an integer number (6391580).

Almost surely, 2^231230025 is an apocalyptic number.

231230025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231230025 is a deficient number, since it is larger than the sum of its proper divisors (228963735).

231230025 is a wasteful number, since it uses less digits than its factorization.

231230025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 231230025 is about 15206.2495376079. The cubic root of 231230025 is about 613.7828395562.

Adding to 231230025 its reverse (520032132), we get a palindrome (751262157).

It can be divided in two parts, 2312300 and 25, that added together give a triangular number (2312325 = T₂₁₅₀).

The spelling of 231230025 in words is "two hundred thirty-one million, two hundred thirty thousand, twenty-five".