42043031131431 has 8 divisors (see below), whose sum is σ = 61153499827584. Its totient is φ = 25480624928120.

The previous prime is 42043031131427. The next prime is 42043031131433. The reversal of 42043031131431 is 13413113034024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42043031131431 - 2² = 42043031131427 is a prime.

It is a super-2 number, since 2×42043031131431² (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 (42043031131433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637015623171 + ... + 637015623236.

It is an arithmetic number, because the mean of its divisors is an integer number (7644187478448).

Almost surely, 2^{42043031131431} is an apocalyptic number.

42043031131431 is a deficient number, since it is larger than the sum of its proper divisors (19110468696153).

42043031131431 is a wasteful number, since it uses less digits than its factorization.

42043031131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274031246421.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 42043031131431 its reverse (13413113034024), we get a palindrome (55456144165455).

The spelling of 42043031131431 in words is "forty-two trillion, forty-three billion, thirty-one million, one hundred thirty-one thousand, four hundred thirty-one".