431344122331 has 2 divisors, whose sum is σ = 431344122332. Its totient is φ = 431344122330.

The previous prime is 431344122329. The next prime is 431344122379. The reversal of 431344122331 is 133221443134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431344122331 - 2¹ = 431344122329 is a prime.

It is a super-2 number, since 2×431344122331² (a number of 24 digits) contains 22 as substring.

Together with 431344122329, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 431344122293 and 431344122302.

It is not a weakly prime, because it can be changed into another prime (431344122311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215672061165 + 215672061166.

It is an arithmetic number, because the mean of its divisors is an integer number (215672061166).

Almost surely, 2^431344122331 is an apocalyptic number.

431344122331 is a deficient number, since it is larger than the sum of its proper divisors (1).

431344122331 is an equidigital number, since it uses as much as digits as its factorization.

431344122331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

Adding to 431344122331 its reverse (133221443134), we get a palindrome (564565565465).

The spelling of 431344122331 in words is "four hundred thirty-one billion, three hundred forty-four million, one hundred twenty-two thousand, three hundred thirty-one".