344051321 has 6 divisors (see below), whose sum is σ = 365480430. Its totient is φ = 323812736.

The previous prime is 344051317. The next prime is 344051329. The reversal of 344051321 is 123150443.

It can be written as a sum of positive squares in 3 ways, for example, as 77088400 + 266962921 = 8780^2 + 16339^2 .

It is not a de Polignac number, because 344051321 - 2² = 344051317 is a prime.

It is a super-2 number, since 2×344051321² = 236742622963690082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344051329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594956 + ... + 595533.

It is an arithmetic number, because the mean of its divisors is an integer number (60913405).

Almost surely, 2^344051321 is an apocalyptic number.

It is an amenable number.

344051321 is a deficient number, since it is larger than the sum of its proper divisors (21429109).

344051321 is a wasteful number, since it uses less digits than its factorization.

344051321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190523 (or 1190506 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 344051321 is about 18548.6204608321. The cubic root of 344051321 is about 700.7144548974.

The spelling of 344051321 in words is "three hundred forty-four million, fifty-one thousand, three hundred twenty-one".