321430403314403 has 4 divisors (see below), whose sum is σ = 321430441084248. Its totient is φ = 321430365544560.

The previous prime is 321430403314379. The next prime is 321430403314429. The reversal of 321430403314403 is 304413304034123.

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 is a cyclic number.

It is not a de Polignac number, because 321430403314403 - 2¹⁰ = 321430403313379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321430403314303) 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, 541775 + ... + 25360487.

It is an arithmetic number, because the mean of its divisors is an integer number (80357610271062).

Almost surely, 2^{321430403314403} is an apocalyptic number.

321430403314403 is a deficient number, since it is larger than the sum of its proper divisors (37769845).

321430403314403 is a wasteful number, since it uses less digits than its factorization.

321430403314403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37769844.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 321430403314403 its reverse (304413304034123), we get a palindrome (625843707348526).

The spelling of 321430403314403 in words is "three hundred twenty-one trillion, four hundred thirty billion, four hundred three million, three hundred fourteen thousand, four hundred three".