344535330121 has 4 divisors (see below), whose sum is σ = 344536529092. Its totient is φ = 344534131152.

The previous prime is 344535330119. The next prime is 344535330127. The reversal of 344535330121 is 121033535443.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 180084804496 + 164450525625 = 424364^2 + 405525^2 .

It is a cyclic number.

It is not a de Polignac number, because 344535330121 - 2¹ = 344535330119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344535330127) 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, 116971 + ... + 838303.

It is an arithmetic number, because the mean of its divisors is an integer number (86134132273).

Almost surely, 2^344535330121 is an apocalyptic number.

It is an amenable number.

344535330121 is a deficient number, since it is larger than the sum of its proper divisors (1198971).

344535330121 is an equidigital number, since it uses as much as digits as its factorization.

344535330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198970.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 344535330121 its reverse (121033535443), we get a palindrome (465568865564).

The spelling of 344535330121 in words is "three hundred forty-four billion, five hundred thirty-five million, three hundred thirty thousand, one hundred twenty-one".