42233441231 has 2 divisors, whose sum is σ = 42233441232. Its totient is φ = 42233441230.

The previous prime is 42233441219. The next prime is 42233441233. The reversal of 42233441231 is 13214433224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42233441231 is a prime.

It is a super-2 number, since 2×42233441231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 42233441233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42233441194 and 42233441203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42233441233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21116720615 + 21116720616.

It is an arithmetic number, because the mean of its divisors is an integer number (21116720616).

Almost surely, 2^42233441231 is an apocalyptic number.

42233441231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42233441231 is an equidigital number, since it uses as much as digits as its factorization.

42233441231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 29.

Adding to 42233441231 its reverse (13214433224), we get a palindrome (55447874455).

The spelling of 42233441231 in words is "forty-two billion, two hundred thirty-three million, four hundred forty-one thousand, two hundred thirty-one".