231422231340 has 72 divisors (see below), whose sum is σ = 708796172448. Its totient is φ = 61113438720.

The previous prime is 231422231317. The next prime is 231422231387. The reversal of 231422231340 is 43132224132.

231422231340 is a `hidden beast` number, since 2 + 3 + 1 + 422 + 231 + 3 + 4 + 0 = 666.

231422231340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6222621 + ... + 6259700.

It is an arithmetic number, because the mean of its divisors is an integer number (9844391284).

Almost surely, 2^231422231340 is an apocalyptic number.

231422231340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231422231340 is an abundant number, since it is smaller than the sum of its proper divisors (477373941108).

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

231422231340 is a wasteful number, since it uses less digits than its factorization.

231422231340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482439 (or 12482434 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 231422231340 its reverse (43132224132), we get a palindrome (274554455472).

The spelling of 231422231340 in words is "two hundred thirty-one billion, four hundred twenty-two million, two hundred thirty-one thousand, three hundred forty".