344713381 has 2 divisors, whose sum is σ = 344713382. Its totient is φ = 344713380.

The previous prime is 344713357. The next prime is 344713387. The reversal of 344713381 is 183317443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245392225 + 99321156 = 15665^2 + 9966^2 .

It is a cyclic number.

It is not a de Polignac number, because 344713381 - 2⁷ = 344713253 is a prime.

It is a super-2 number, since 2×344713381² = 237654630080902322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344713387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172356690 + 172356691.

It is an arithmetic number, because the mean of its divisors is an integer number (172356691).

Almost surely, 2^344713381 is an apocalyptic number.

It is an amenable number.

344713381 is a deficient number, since it is larger than the sum of its proper divisors (1).

344713381 is an equidigital number, since it uses as much as digits as its factorization.

344713381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 344713381 is about 18566.4584937462. The cubic root of 344713381 is about 701.1636298992.

The spelling of 344713381 in words is "three hundred forty-four million, seven hundred thirteen thousand, three hundred eighty-one".