344304131 has 2 divisors, whose sum is σ = 344304132. Its totient is φ = 344304130.

The previous prime is 344304127. The next prime is 344304133. The reversal of 344304131 is 131403443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 344304131 - 2² = 344304127 is a prime.

It is a super-2 number, since 2×344304131² = 237090669247330322, which contains 22 as substring.

Together with 344304133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 344304097 and 344304106.

It is not a weakly prime, because it can be changed into another prime (344304133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172152065 + 172152066.

It is an arithmetic number, because the mean of its divisors is an integer number (172152066).

Almost surely, 2^344304131 is an apocalyptic number.

344304131 is a deficient number, since it is larger than the sum of its proper divisors (1).

344304131 is an equidigital number, since it uses as much as digits as its factorization.

344304131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 344304131 is about 18555.4340019305. The cubic root of 344304131 is about 700.8860419433.

Adding to 344304131 its reverse (131403443), we get a palindrome (475707574).

The spelling of 344304131 in words is "three hundred forty-four million, three hundred four thousand, one hundred thirty-one".