42358271731 has 8 divisors (see below), whose sum is σ = 45610104240. Its totient is φ = 39190902528.

The previous prime is 42358271707. The next prime is 42358271777. The reversal of 42358271731 is 13717285324.

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 42358271731 - 2²¹ = 42356174579 is a prime.

It is a super-2 number, since 2×42358271731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42358271531) 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, 21114786 + ... + 21116791.

It is an arithmetic number, because the mean of its divisors is an integer number (5701263030).

Almost surely, 2^42358271731 is an apocalyptic number.

42358271731 is a deficient number, since it is larger than the sum of its proper divisors (3251832509).

42358271731 is a wasteful number, since it uses less digits than its factorization.

42358271731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42231653.

The product of its digits is 282240, while the sum is 43.

The spelling of 42358271731 in words is "forty-two billion, three hundred fifty-eight million, two hundred seventy-one thousand, seven hundred thirty-one".