42332135231 has 8 divisors (see below), whose sum is σ = 43580024880. Its totient is φ = 41089707648.

The previous prime is 42332135189. The next prime is 42332135233. The reversal of 42332135231 is 13253123324.

It is a happy number.

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-42332135231 is a prime.

It is a super-2 number, since 2×42332135231² (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 = 42332135194 and 42332135203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42332135233) 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, 1349786 + ... + 1380791.

It is an arithmetic number, because the mean of its divisors is an integer number (5447503110).

Almost surely, 2^42332135231 is an apocalyptic number.

42332135231 is a deficient number, since it is larger than the sum of its proper divisors (1247889649).

42332135231 is a wasteful number, since it uses less digits than its factorization.

42332135231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731033.

The product of its digits is 12960, while the sum is 29.

Adding to 42332135231 its reverse (13253123324), we get a palindrome (55585258555).

The spelling of 42332135231 in words is "forty-two billion, three hundred thirty-two million, one hundred thirty-five thousand, two hundred thirty-one".