3402344321321 has 4 divisors (see below), whose sum is σ = 3711648350544. Its totient is φ = 3093040292100.

The previous prime is 3402344321303. The next prime is 3402344321351. The reversal of 3402344321321 is 1231234432043.

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 a de Polignac number, because none of the positive numbers 2^k-3402344321321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402344321351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154652014595 + ... + 154652014616.

It is an arithmetic number, because the mean of its divisors is an integer number (927912087636).

Almost surely, 2^{3402344321321} is an apocalyptic number.

It is an amenable number.

3402344321321 is a deficient number, since it is larger than the sum of its proper divisors (309304029223).

3402344321321 is a wasteful number, since it uses less digits than its factorization.

3402344321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309304029222.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 3402344321321 its reverse (1231234432043), we get a palindrome (4633578753364).

It can be divided in two parts, 34023 and 44321321, that added together give a palindrome (44355344).

The spelling of 3402344321321 in words is "three trillion, four hundred two billion, three hundred forty-four million, three hundred twenty-one thousand, three hundred twenty-one".