226439031431 has 2 divisors, whose sum is σ = 226439031432. Its totient is φ = 226439031430.

The previous prime is 226439031419. The next prime is 226439031449. The reversal of 226439031431 is 134130934622.

226439031431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226439031431 is a prime.

It is a super-2 number, since 2×226439031431² (a number of 24 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 (226439031491) 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, 113219515715 + 113219515716.

It is an arithmetic number, because the mean of its divisors is an integer number (113219515716).

Almost surely, 2^226439031431 is an apocalyptic number.

226439031431 is a deficient number, since it is larger than the sum of its proper divisors (1).

226439031431 is an equidigital number, since it uses as much as digits as its factorization.

226439031431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 226439031431 in words is "two hundred twenty-six billion, four hundred thirty-nine million, thirty-one thousand, four hundred thirty-one".