42331311334431 has 24 divisors (see below), whose sum is σ = 69880512667680. Its totient is φ = 24189233294016.

The previous prime is 42331311334397. The next prime is 42331311334439. The reversal of 42331311334431 is 13443311313324.

42331311334431 is a `hidden beast` number, since 4 + 2 + 3 + 3 + 1 + 311 + 334 + 4 + 3 + 1 = 666.

It is not a de Polignac number, because 42331311334431 - 2¹⁰ = 42331311333407 is a prime.

It is a super-2 number, since 2×42331311334431² (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 (42331311334439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18992701 + ... + 21104153.

It is an arithmetic number, because the mean of its divisors is an integer number (2911688027820).

Almost surely, 2^{42331311334431} is an apocalyptic number.

42331311334431 is a deficient number, since it is larger than the sum of its proper divisors (27549201333249).

42331311334431 is a wasteful number, since it uses less digits than its factorization.

42331311334431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429695 (or 2429692 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 42331311334431 its reverse (13443311313324), we get a palindrome (55774622647755).

The spelling of 42331311334431 in words is "forty-two trillion, three hundred thirty-one billion, three hundred eleven million, three hundred thirty-four thousand, four hundred thirty-one".