431422154502239 has 2 divisors, whose sum is σ = 431422154502240. Its totient is φ = 431422154502238.

The previous prime is 431422154502169. The next prime is 431422154502397. The reversal of 431422154502239 is 932205451224134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431422154502239 - 2³² = 431417859534943 is a prime.

It is a super-2 number, since 2×431422154502239² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431422154502193 and 431422154502202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431422154502139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215711077251119 + 215711077251120.

It is an arithmetic number, because the mean of its divisors is an integer number (215711077251120).

Almost surely, 2^{431422154502239} is an apocalyptic number.

431422154502239 is a deficient number, since it is larger than the sum of its proper divisors (1).

431422154502239 is an equidigital number, since it uses as much as digits as its factorization.

431422154502239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 431422154502239 in words is "four hundred thirty-one trillion, four hundred twenty-two billion, one hundred fifty-four million, five hundred two thousand, two hundred thirty-nine".