22431132005142 has 16 divisors (see below), whose sum is σ = 51271158868992. Its totient is φ = 6408894858600.

The previous prime is 22431132005101. The next prime is 22431132005207. The reversal of 22431132005142 is 24150023113422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267037285734 + ... + 267037285817.

It is an arithmetic number, because the mean of its divisors is an integer number (3204447429312).

Almost surely, 2^{22431132005142} is an apocalyptic number.

22431132005142 is an abundant number, since it is smaller than the sum of its proper divisors (28840026863850).

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

22431132005142 is a wasteful number, since it uses less digits than its factorization.

22431132005142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534074571563.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 22431132005142 its reverse (24150023113422), we get a palindrome (46581155118564).

The spelling of 22431132005142 in words is "twenty-two trillion, four hundred thirty-one billion, one hundred thirty-two million, five thousand, one hundred forty-two".