344220311 has 8 divisors (see below), whose sum is σ = 358990464. Its totient is φ = 329679360.

The previous prime is 344220281. The next prime is 344220353. The reversal of 344220311 is 113022443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344220311 - 2¹⁰ = 344219287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344220211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54230 + ... + 60243.

It is an arithmetic number, because the mean of its divisors is an integer number (44873808).

Almost surely, 2^344220311 is an apocalyptic number.

344220311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

344220311 is a deficient number, since it is larger than the sum of its proper divisors (14770153).

344220311 is a wasteful number, since it uses less digits than its factorization.

344220311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114601.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 344220311 is about 18553.1752268985. The cubic root of 344220311 is about 700.8291609954.

Adding to 344220311 its reverse (113022443), we get a palindrome (457242754).

The spelling of 344220311 in words is "three hundred forty-four million, two hundred twenty thousand, three hundred eleven".