344401332113 has 4 divisors (see below), whose sum is σ = 364660234020. Its totient is φ = 324142430208.

The previous prime is 344401332101. The next prime is 344401332127. The reversal of 344401332113 is 311233104443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 229702608529 + 114698723584 = 479273^2 + 338672^2 .

It is a cyclic number.

It is not a de Polignac number, because 344401332113 - 2²⁰ = 344400283537 is a prime.

It is a super-2 number, since 2×344401332113² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344401332413) 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, 10129450928 + ... + 10129450961.

It is an arithmetic number, because the mean of its divisors is an integer number (91165058505).

Almost surely, 2^344401332113 is an apocalyptic number.

It is an amenable number.

344401332113 is a deficient number, since it is larger than the sum of its proper divisors (20258901907).

344401332113 is a wasteful number, since it uses less digits than its factorization.

344401332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20258901906.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 344401332113 its reverse (311233104443), we get a palindrome (655634436556).

The spelling of 344401332113 in words is "three hundred forty-four billion, four hundred one million, three hundred thirty-two thousand, one hundred thirteen".