345044266331 has 2 divisors, whose sum is σ = 345044266332. Its totient is φ = 345044266330.

The previous prime is 345044266327. The next prime is 345044266337. The reversal of 345044266331 is 133662440543.

It is a weak prime.

It is an emirp because it is prime and its reverse (133662440543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345044266331 - 2² = 345044266327 is a prime.

It is a super-2 number, since 2×345044266331² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (345044266337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172522133165 + 172522133166.

It is an arithmetic number, because the mean of its divisors is an integer number (172522133166).

Almost surely, 2^345044266331 is an apocalyptic number.

345044266331 is a deficient number, since it is larger than the sum of its proper divisors (1).

345044266331 is an equidigital number, since it uses as much as digits as its factorization.

345044266331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 345044266331 in words is "three hundred forty-five billion, forty-four million, two hundred sixty-six thousand, three hundred thirty-one".