231681076422 has 16 divisors (see below), whose sum is σ = 466313506032. Its totient is φ = 76735133280.

The previous prime is 231681076409. The next prime is 231681076447. The reversal of 231681076422 is 224670186132.

231681076422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231681076422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 122972029 + ... + 122973912.

It is an arithmetic number, because the mean of its divisors is an integer number (29144594127).

Almost surely, 2^231681076422 is an apocalyptic number.

231681076422 is an abundant number, since it is smaller than the sum of its proper divisors (234632429610).

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

231681076422 is a wasteful number, since it uses less digits than its factorization.

231681076422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245946103.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 231681076422 in words is "two hundred thirty-one billion, six hundred eighty-one million, seventy-six thousand, four hundred twenty-two".