1304022321343 has 4 divisors (see below), whose sum is σ = 1490311224400. Its totient is φ = 1117733418288.

The previous prime is 1304022321313. The next prime is 1304022321353. The reversal of 1304022321343 is 3431232204031.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1304022321343 - 2¹³ = 1304022313151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304022321313) 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, 93144451518 + ... + 93144451531.

It is an arithmetic number, because the mean of its divisors is an integer number (372577806100).

Almost surely, 2^{1304022321343} is an apocalyptic number.

1304022321343 is a deficient number, since it is larger than the sum of its proper divisors (186288903057).

1304022321343 is an equidigital number, since it uses as much as digits as its factorization.

1304022321343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186288903056.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1304022321343 its reverse (3431232204031), we get a palindrome (4735254525374).

The spelling of 1304022321343 in words is "one trillion, three hundred four billion, twenty-two million, three hundred twenty-one thousand, three hundred forty-three".