344664031 has 2 divisors, whose sum is σ = 344664032. Its totient is φ = 344664030.

The previous prime is 344663959. The next prime is 344664037. The reversal of 344664031 is 130466443.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344664031 - 2⁹ = 344663519 is a prime.

It is a super-2 number, since 2×344664031² = 237586588530337922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344663984 and 344664002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344664037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172332015 + 172332016.

It is an arithmetic number, because the mean of its divisors is an integer number (172332016).

Almost surely, 2^344664031 is an apocalyptic number.

344664031 is a deficient number, since it is larger than the sum of its proper divisors (1).

344664031 is an equidigital number, since it uses as much as digits as its factorization.

344664031 is an odious number, because the sum of its binary digits is odd.

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

The square root of 344664031 is about 18565.1294366616. The cubic root of 344664031 is about 701.1301682096.

The spelling of 344664031 in words is "three hundred forty-four million, six hundred sixty-four thousand, thirty-one".