231113125 has 20 divisors (see below), whose sum is σ = 294290172. Its totient is φ = 181376000.

The previous prime is 231113117. The next prime is 231113143. The reversal of 231113125 is 521311132.

It can be written as a sum of positive squares in 10 ways, for example, as 186677569 + 44435556 = 13663^2 + 6666^2 .

It is not a de Polignac number, because 231113125 - 2³ = 231113117 is a prime.

It is a Duffinian number.

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 19 ways as a sum of consecutive naturals, for example, 29637 + ... + 36613.

Almost surely, 2^231113125 is an apocalyptic number.

231113125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231113125 is a deficient number, since it is larger than the sum of its proper divisors (63177047).

231113125 is an frugal number, since it uses more digits than its factorization.

231113125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7050 (or 7035 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 231113125 is about 15202.4052373300. The cubic root of 231113125 is about 613.6793880130.

Adding to 231113125 its reverse (521311132), we get a palindrome (752424257).

The spelling of 231113125 in words is "two hundred thirty-one million, one hundred thirteen thousand, one hundred twenty-five".