231125117 has 4 divisors (see below), whose sum is σ = 231395040. Its totient is φ = 230855196.

The previous prime is 231125107. The next prime is 231125131. The reversal of 231125117 is 711521132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231125117 - 2¹² = 231121021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231125092 and 231125101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231125107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133673 + ... + 135390.

It is an arithmetic number, because the mean of its divisors is an integer number (57848760).

Almost surely, 2^231125117 is an apocalyptic number.

It is an amenable number.

231125117 is a deficient number, since it is larger than the sum of its proper divisors (269923).

231125117 is an equidigital number, since it uses as much as digits as its factorization.

231125117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269922.

The product of its digits is 420, while the sum is 23.

The square root of 231125117 is about 15202.7996434867. The cubic root of 231125117 is about 613.6900020300.

Adding to 231125117 its reverse (711521132), we get a palindrome (942646249).

The spelling of 231125117 in words is "two hundred thirty-one million, one hundred twenty-five thousand, one hundred seventeen".