431220324239 has 2 divisors, whose sum is σ = 431220324240. Its totient is φ = 431220324238.

The previous prime is 431220324229. The next prime is 431220324341. The reversal of 431220324239 is 932423022134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431220324239 - 2²⁴ = 431203547023 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 431220324199 and 431220324208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431220324229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215610162119 + 215610162120.

It is an arithmetic number, because the mean of its divisors is an integer number (215610162120).

Almost surely, 2^431220324239 is an apocalyptic number.

431220324239 is a deficient number, since it is larger than the sum of its proper divisors (1).

431220324239 is an equidigital number, since it uses as much as digits as its factorization.

431220324239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 431220324239 in words is "four hundred thirty-one billion, two hundred twenty million, three hundred twenty-four thousand, two hundred thirty-nine".