321430342424003 has 4 divisors (see below), whose sum is σ = 321430959457560. Its totient is φ = 321429725390448.

The previous prime is 321430342423999. The next prime is 321430342424029. The reversal of 321430342424003 is 300424243034123.

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 321430342424003 - 2² = 321430342423999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321430342427003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307734725 + ... + 308777462.

It is an arithmetic number, because the mean of its divisors is an integer number (80357739864390).

Almost surely, 2^{321430342424003} is an apocalyptic number.

321430342424003 is a deficient number, since it is larger than the sum of its proper divisors (617033557).

321430342424003 is an equidigital number, since it uses as much as digits as its factorization.

321430342424003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617033556.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 321430342424003 its reverse (300424243034123), we get a palindrome (621854585458126).

The spelling of 321430342424003 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred forty-two million, four hundred twenty-four thousand, three".