42320413231 has 8 divisors (see below), whose sum is σ = 42865844400. Its totient is φ = 41778467712.

The previous prime is 42320413193. The next prime is 42320413243. The reversal of 42320413231 is 13231402324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42320413231 is a prime.

It is a super-2 number, since 2×42320413231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42320413196 and 42320413205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42320413271) 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, 846970 + ... + 895543.

It is an arithmetic number, because the mean of its divisors is an integer number (5358230550).

Almost surely, 2^42320413231 is an apocalyptic number.

42320413231 is a deficient number, since it is larger than the sum of its proper divisors (545431169).

42320413231 is a wasteful number, since it uses less digits than its factorization.

42320413231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742825.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 42320413231 its reverse (13231402324), we get a palindrome (55551815555).

The spelling of 42320413231 in words is "forty-two billion, three hundred twenty million, four hundred thirteen thousand, two hundred thirty-one".