42131010431023 has 4 divisors (see below), whose sum is σ = 42724404944208. Its totient is φ = 41537615917840.

The previous prime is 42131010430997. The next prime is 42131010431071. The reversal of 42131010431023 is 32013401013124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42131010431023 - 2⁴¹ = 39931987175471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131010431093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296697256486 + ... + 296697256627.

It is an arithmetic number, because the mean of its divisors is an integer number (10681101236052).

Almost surely, 2^{42131010431023} is an apocalyptic number.

42131010431023 is a deficient number, since it is larger than the sum of its proper divisors (593394513185).

42131010431023 is an equidigital number, since it uses as much as digits as its factorization.

42131010431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593394513184.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 42131010431023 its reverse (32013401013124), we get a palindrome (74144411444147).

The spelling of 42131010431023 in words is "forty-two trillion, one hundred thirty-one billion, ten million, four hundred thirty-one thousand, twenty-three".