431542347132 has 48 divisors (see below), whose sum is σ = 1084850629632. Its totient is φ = 132725668800.

The previous prime is 431542347097. The next prime is 431542347143. The reversal of 431542347132 is 231743245134.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221568 + ... + 955079.

It is an arithmetic number, because the mean of its divisors is an integer number (22601054784).

Almost surely, 2^431542347132 is an apocalyptic number.

It is an amenable number.

431542347132 is an abundant number, since it is smaller than the sum of its proper divisors (653308282500).

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

431542347132 is a wasteful number, since it uses less digits than its factorization.

431542347132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179018 (or 1179016 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The spelling of 431542347132 in words is "four hundred thirty-one billion, five hundred forty-two million, three hundred forty-seven thousand, one hundred thirty-two".