431330331431 has 2 divisors, whose sum is σ = 431330331432. Its totient is φ = 431330331430.

The previous prime is 431330331407. The next prime is 431330331449. The reversal of 431330331431 is 134133033134.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431330331431 - 2¹⁴ = 431330315047 is a prime.

It is a super-2 number, since 2×431330331431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431330331394 and 431330331403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431330331331) 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, 215665165715 + 215665165716.

It is an arithmetic number, because the mean of its divisors is an integer number (215665165716).

Almost surely, 2^431330331431 is an apocalyptic number.

431330331431 is a deficient number, since it is larger than the sum of its proper divisors (1).

431330331431 is an equidigital number, since it uses as much as digits as its factorization.

431330331431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 431330331431 its reverse (134133033134), we get a palindrome (565463364565).

The spelling of 431330331431 in words is "four hundred thirty-one billion, three hundred thirty million, three hundred thirty-one thousand, four hundred thirty-one".