231424325 has 24 divisors (see below), whose sum is σ = 313774560. Its totient is φ = 167921600.

The previous prime is 231424309. The next prime is 231424337. The reversal of 231424325 is 523424132.

It is not a de Polignac number, because 231424325 - 2⁴ = 231424309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231424294 and 231424303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180587 + ... + 181863.

It is an arithmetic number, because the mean of its divisors is an integer number (13073940).

Almost surely, 2^231424325 is an apocalyptic number.

231424325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231424325 is a deficient number, since it is larger than the sum of its proper divisors (82350235).

231424325 is a wasteful number, since it uses less digits than its factorization.

231424325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957 (or 1952 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 231424325 is about 15212.6370166385. The cubic root of 231424325 is about 613.9547097067.

Adding to 231424325 its reverse (523424132), we get a palindrome (754848457).

The spelling of 231424325 in words is "two hundred thirty-one million, four hundred twenty-four thousand, three hundred twenty-five".