42432344312031 has 32 divisors (see below), whose sum is σ = 63459930712320. Its totient is φ = 28019571067872.

The previous prime is 42432344312023. The next prime is 42432344312063. The reversal of 42432344312031 is 13021344323424.

42432344312031 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 2 + 3 + 443 + 1 + 203 + 1 = 666.

It is not a de Polignac number, because 42432344312031 - 2³ = 42432344312023 is a prime.

It is a super-2 number, since 2×42432344312031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432344312021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17841541 + ... + 20079473.

It is an arithmetic number, because the mean of its divisors is an integer number (1983122834760).

Almost surely, 2^{42432344312031} is an apocalyptic number.

42432344312031 is a deficient number, since it is larger than the sum of its proper divisors (21027586400289).

42432344312031 is a wasteful number, since it uses less digits than its factorization.

42432344312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244612 (or 2244606 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 42432344312031 its reverse (13021344323424), we get a palindrome (55453688635455).

The spelling of 42432344312031 in words is "forty-two trillion, four hundred thirty-two billion, three hundred forty-four million, three hundred twelve thousand, thirty-one".