231401543636022 has 32 divisors (see below), whose sum is σ = 463719194840160. Its totient is φ = 76981167774720.

The previous prime is 231401543635991. The next prime is 231401543636027. The reversal of 231401543636022 is 220636345104132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231401543636027) 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, 219854688 + ... + 220904700.

It is an arithmetic number, because the mean of its divisors is an integer number (14491224838755).

Almost surely, 2^{231401543636022} is an apocalyptic number.

231401543636022 is an abundant number, since it is smaller than the sum of its proper divisors (232317651204138).

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

231401543636022 is a wasteful number, since it uses less digits than its factorization.

231401543636022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122688.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 231401543636022 in words is "two hundred thirty-one trillion, four hundred one billion, five hundred forty-three million, six hundred thirty-six thousand, twenty-two".