42335232231 has 16 divisors (see below), whose sum is σ = 57412396800. Its totient is φ = 27740923008.

The previous prime is 42335232227. The next prime is 42335232241. The reversal of 42335232231 is 13223253324.

It is a happy number.

42335232231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42335232231 - 2² = 42335232227 is a prime.

It is a super-2 number, since 2×42335232231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42335232211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1524190 + ... + 1551716.

It is an arithmetic number, because the mean of its divisors is an integer number (3588274800).

Almost surely, 2^42335232231 is an apocalyptic number.

42335232231 is a deficient number, since it is larger than the sum of its proper divisors (15077164569).

42335232231 is a wasteful number, since it uses less digits than its factorization.

42335232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36278.

The product of its digits is 25920, while the sum is 30.

Adding to 42335232231 its reverse (13223253324), we get a palindrome (55558485555).

The spelling of 42335232231 in words is "forty-two billion, three hundred thirty-five million, two hundred thirty-two thousand, two hundred thirty-one".