344613121 has 4 divisors (see below), whose sum is σ = 344650500. Its totient is φ = 344575744.

The previous prime is 344613091. The next prime is 344613131. The reversal of 344613121 is 121316443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 315453121 + 29160000 = 17761^2 + 5400^2 .

It is a cyclic number.

It is not a de Polignac number, because 344613121 - 2⁷ = 344612993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344613131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6105 + ... + 26953.

It is an arithmetic number, because the mean of its divisors is an integer number (86162625).

Almost surely, 2^344613121 is an apocalyptic number.

It is an amenable number.

344613121 is a deficient number, since it is larger than the sum of its proper divisors (37379).

344613121 is a wasteful number, since it uses less digits than its factorization.

344613121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37378.

The product of its digits is 1728, while the sum is 25.

The square root of 344613121 is about 18563.7582671182. The cubic root of 344613121 is about 701.0956454171.

Adding to 344613121 its reverse (121316443), we get a palindrome (465929564).

The spelling of 344613121 in words is "three hundred forty-four million, six hundred thirteen thousand, one hundred twenty-one".