344213013 has 4 divisors (see below), whose sum is σ = 458950688. Its totient is φ = 229475340.

The previous prime is 344213011. The next prime is 344213027. The reversal of 344213013 is 310312443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 344213013 - 2¹ = 344213011 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344213011) 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, 57368833 + ... + 57368838.

It is an arithmetic number, because the mean of its divisors is an integer number (114737672).

Almost surely, 2^344213013 is an apocalyptic number.

It is an amenable number.

344213013 is a deficient number, since it is larger than the sum of its proper divisors (114737675).

344213013 is a wasteful number, since it uses less digits than its factorization.

344213013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114737674.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 344213013 is about 18552.9785479313. The cubic root of 344213013 is about 700.8242080750.

Adding to 344213013 its reverse (310312443), we get a palindrome (654525456).

The spelling of 344213013 in words is "three hundred forty-four million, two hundred thirteen thousand, thirteen".