42344450231 has 2 divisors, whose sum is σ = 42344450232. Its totient is φ = 42344450230.

The previous prime is 42344450177. The next prime is 42344450257. The reversal of 42344450231 is 13205444324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42344450231 - 2³⁰ = 41270708407 is a prime.

It is a super-2 number, since 2×42344450231² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42344450431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21172225115 + 21172225116.

It is an arithmetic number, because the mean of its divisors is an integer number (21172225116).

Almost surely, 2^42344450231 is an apocalyptic number.

42344450231 is a deficient number, since it is larger than the sum of its proper divisors (1).

42344450231 is an equidigital number, since it uses as much as digits as its factorization.

42344450231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 42344450231 its reverse (13205444324), we get a palindrome (55549894555).

The spelling of 42344450231 in words is "forty-two billion, three hundred forty-four million, four hundred fifty thousand, two hundred thirty-one".