321430113343021 has 8 divisors (see below), whose sum is σ = 321641928699840. Its totient is φ = 321218342070912.

The previous prime is 321430113343013. The next prime is 321430113343043. The reversal of 321430113343021 is 120343311034123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 321430113343021 - 2³ = 321430113343013 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 (321430113343321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3572376 + ... + 25605118.

It is an arithmetic number, because the mean of its divisors is an integer number (40205241087480).

Almost surely, 2^{321430113343021} is an apocalyptic number.

It is an amenable number.

321430113343021 is a deficient number, since it is larger than the sum of its proper divisors (211815356819).

321430113343021 is a wasteful number, since it uses less digits than its factorization.

321430113343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22042355.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 321430113343021 its reverse (120343311034123), we get a palindrome (441773424377144).

The spelling of 321430113343021 in words is "three hundred twenty-one trillion, four hundred thirty billion, one hundred thirteen million, three hundred forty-three thousand, twenty-one".