231301125 has 48 divisors (see below), whose sum is σ = 454888512. Its totient is φ = 112140000.

The previous prime is 231301123. The next prime is 231301127. The reversal of 231301125 is 521103132.

It is an interprime number because it is at equal distance from previous prime (231301123) and next prime (231301127).

It is not a de Polignac number, because 231301125 - 2¹ = 231301123 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231301098 and 231301107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231301123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3030 + ... + 21720.

It is an arithmetic number, because the mean of its divisors is an integer number (9476844).

Almost surely, 2^231301125 is an apocalyptic number.

231301125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231301125 is a deficient number, since it is larger than the sum of its proper divisors (223587387).

231301125 is a wasteful number, since it uses less digits than its factorization.

231301125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18723 (or 18710 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 231301125 is about 15208.5872124928. The cubic root of 231301125 is about 613.8457429901.

Adding to 231301125 its reverse (521103132), we get a palindrome (752404257).

The spelling of 231301125 in words is "two hundred thirty-one million, three hundred one thousand, one hundred twenty-five".