231042325 has 24 divisors (see below), whose sum is σ = 305605440. Its totient is φ = 172665600.

The previous prime is 231042323. The next prime is 231042347. The reversal of 231042325 is 523240132.

It is not a de Polignac number, because 231042325 - 2¹ = 231042323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231042296 and 231042305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231042323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57120 + ... + 61030.

It is an arithmetic number, because the mean of its divisors is an integer number (12733560).

Almost surely, 2^231042325 is an apocalyptic number.

231042325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231042325 is a deficient number, since it is larger than the sum of its proper divisors (74563115).

231042325 is a wasteful number, since it uses less digits than its factorization.

231042325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077 (or 4072 counting only the distinct ones).

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

The square root of 231042325 is about 15200.0764800707. The cubic root of 231042325 is about 613.6167160521.

Adding to 231042325 its reverse (523240132), we get a palindrome (754282457).

The spelling of 231042325 in words is "two hundred thirty-one million, forty-two thousand, three hundred twenty-five".