232131325 has 6 divisors (see below), whose sum is σ = 287842874. Its totient is φ = 185705040.

The previous prime is 232131323. The next prime is 232131337. The reversal of 232131325 is 523131232.

It can be written as a sum of positive squares in 3 ways, for example, as 3849444 + 228281881 = 1962^2 + 15109^2 .

It is not a de Polignac number, because 232131325 - 2¹ = 232131323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232131296 and 232131305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4642602 + ... + 4642651.

Almost surely, 2^232131325 is an apocalyptic number.

232131325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232131325 is a deficient number, since it is larger than the sum of its proper divisors (55711549).

232131325 is an equidigital number, since it uses as much as digits as its factorization.

232131325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9285263 (or 9285258 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 232131325 is about 15235.8565561638. The cubic root of 232131325 is about 614.5792834998.

Adding to 232131325 its reverse (523131232), we get a palindrome (755262557).

The spelling of 232131325 in words is "two hundred thirty-two million, one hundred thirty-one thousand, three hundred twenty-five".