231432363635142 has 64 divisors (see below), whose sum is σ = 494951217859584. Its totient is φ = 71886376742400.

The previous prime is 231432363635113. The next prime is 231432363635219. The reversal of 231432363635142 is 241536363234132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231432363635091 and 231432363635100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245861913 + ... + 1246047659.

It is an arithmetic number, because the mean of its divisors is an integer number (7733612779056).

Almost surely, 2^{231432363635142} is an apocalyptic number.

231432363635142 is an abundant number, since it is smaller than the sum of its proper divisors (263518854224442).

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

231432363635142 is a wasteful number, since it uses less digits than its factorization.

231432363635142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306813.

The product of its digits is 5598720, while the sum is 48.

The spelling of 231432363635142 in words is "two hundred thirty-one trillion, four hundred thirty-two billion, three hundred sixty-three million, six hundred thirty-five thousand, one hundred forty-two".