231135254 has 24 divisors (see below), whose sum is σ = 403963560. Its totient is φ = 98896896.

The previous prime is 231135253. The next prime is 231135269. The reversal of 231135254 is 452531132.

It is a happy number.

231135254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231135253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73829 + ... + 76895.

It is an arithmetic number, because the mean of its divisors is an integer number (16831815).

Almost surely, 2^231135254 is an apocalyptic number.

231135254 is a deficient number, since it is larger than the sum of its proper divisors (172828306).

231135254 is a wasteful number, since it uses less digits than its factorization.

231135254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3845 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 231135254 is about 15203.1330323720. The cubic root of 231135254 is about 613.6989739160.

Adding to 231135254 its reverse (452531132), we get a palindrome (683666386).

The spelling of 231135254 in words is "two hundred thirty-one million, one hundred thirty-five thousand, two hundred fifty-four".