231314400140 has 48 divisors (see below), whose sum is σ = 519053119200. Its totient is φ = 86284127232.

The previous prime is 231314400139. The next prime is 231314400143. The reversal of 231314400140 is 41004413132.

It is not an unprimeable number, because it can be changed into a prime (231314400143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3083750 + ... + 3157869.

It is an arithmetic number, because the mean of its divisors is an integer number (10813606650).

Almost surely, 2^231314400140 is an apocalyptic number.

231314400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231314400140 is an abundant number, since it is smaller than the sum of its proper divisors (287738719060).

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

231314400140 is a wasteful number, since it uses less digits than its factorization.

231314400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241754 (or 6241752 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 231314400140 its reverse (41004413132), we get a palindrome (272318813272).

The spelling of 231314400140 in words is "two hundred thirty-one billion, three hundred fourteen million, four hundred thousand, one hundred forty".