344243324444531 has 2 divisors, whose sum is σ = 344243324444532. Its totient is φ = 344243324444530.

The previous prime is 344243324444449. The next prime is 344243324444557. The reversal of 344243324444531 is 135444423342443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344243324444531 - 2²² = 344243320250227 is a prime.

It is a super-2 number, since 2×344243324444531² (a number of 30 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344243324444531.

It is not a weakly prime, because it can be changed into another prime (344243324444581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172121662222265 + 172121662222266.

It is an arithmetic number, because the mean of its divisors is an integer number (172121662222266).

Almost surely, 2^{344243324444531} is an apocalyptic number.

344243324444531 is a deficient number, since it is larger than the sum of its proper divisors (1).

344243324444531 is an equidigital number, since it uses as much as digits as its factorization.

344243324444531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26542080, while the sum is 50.

Adding to 344243324444531 its reverse (135444423342443), we get a palindrome (479687747786974).

The spelling of 344243324444531 in words is "three hundred forty-four trillion, two hundred forty-three billion, three hundred twenty-four million, four hundred forty-four thousand, five hundred thirty-one".