231422052492 has 72 divisors (see below), whose sum is σ = 586841149440. Its totient is φ = 76895958240.

The previous prime is 231422052377. The next prime is 231422052497. The reversal of 231422052492 is 294250224132.

231422052492 is a `hidden beast` number, since 2 + 3 + 1 + 42 + 2 + 0 + 524 + 92 = 666.

It is a super-2 number, since 2×231422052492² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (231422052497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32687809 + ... + 32694887.

It is an arithmetic number, because the mean of its divisors is an integer number (8150571520).

Almost surely, 2^231422052492 is an apocalyptic number.

It is an amenable number.

231422052492 is an abundant number, since it is smaller than the sum of its proper divisors (355419096948).

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

231422052492 is a wasteful number, since it uses less digits than its factorization.

231422052492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 231422052492 in words is "two hundred thirty-one billion, four hundred twenty-two million, fifty-two thousand, four hundred ninety-two".