344404131420011 has 16 divisors (see below), whose sum is σ = 372936936852480. Its totient is φ = 316167437337120.

The previous prime is 344404131420007. The next prime is 344404131420053. The reversal of 344404131420011 is 110024131404443.

It is a cyclic number.

It is not a de Polignac number, because 344404131420011 - 2² = 344404131420007 is a prime.

It is a super-2 number, since 2×344404131420011² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344404131420011.

It is not an unprimeable number, because it can be changed into a prime (344404131420061) 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, 95247095 + ... + 98796848.

It is an arithmetic number, because the mean of its divisors is an integer number (23308558553280).

Almost surely, 2^{344404131420011} is an apocalyptic number.

344404131420011 is a deficient number, since it is larger than the sum of its proper divisors (28532805432469).

344404131420011 is a wasteful number, since it uses less digits than its factorization.

344404131420011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194044706.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 344404131420011 its reverse (110024131404443), we get a palindrome (454428262824454).

The spelling of 344404131420011 in words is "three hundred forty-four trillion, four hundred four billion, one hundred thirty-one million, four hundred twenty thousand, eleven".