344404020311313 has 16 divisors (see below), whose sum is σ = 459274442956800. Its totient is φ = 229568141056464.

The previous prime is 344404020311269. The next prime is 344404020311341. The reversal of 344404020311313 is 313113020404443.

It is not a de Polignac number, because 344404020311313 - 2⁶ = 344404020311249 is a prime.

It is a super-2 number, since 2×344404020311313² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344404020311353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694727470 + ... + 695223032.

It is an arithmetic number, because the mean of its divisors is an integer number (28704652684800).

Almost surely, 2^{344404020311313} is an apocalyptic number.

It is an amenable number.

344404020311313 is a deficient number, since it is larger than the sum of its proper divisors (114870422645487).

344404020311313 is a wasteful number, since it uses less digits than its factorization.

344404020311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529948.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 344404020311313 its reverse (313113020404443), we get a palindrome (657517040715756).

The spelling of 344404020311313 in words is "three hundred forty-four trillion, four hundred four billion, twenty million, three hundred eleven thousand, three hundred thirteen".