231114140 has 24 divisors (see below), whose sum is σ = 490347312. Its totient is φ = 91491840.

The previous prime is 231114127. The next prime is 231114179. The reversal of 231114140 is 41411132.

It is a happy number.

231114140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57626 + ... + 61505.

It is an arithmetic number, because the mean of its divisors is an integer number (20431138).

Almost surely, 2^231114140 is an apocalyptic number.

231114140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231114140 is an abundant number, since it is smaller than the sum of its proper divisors (259233172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231114140 is a wasteful number, since it uses less digits than its factorization.

231114140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119237 (or 119235 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 231114140 is about 15202.4386201688. The cubic root of 231114140 is about 613.6802863950.

Adding to 231114140 its reverse (41411132), we get a palindrome (272525272).

The spelling of 231114140 in words is "two hundred thirty-one million, one hundred fourteen thousand, one hundred forty".