321430342424028 has 48 divisors (see below), whose sum is σ = 763776869184000. Its totient is φ = 105180965077888.

The previous prime is 321430342423999. The next prime is 321430342424029. The reversal of 321430342424028 is 820424243034123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321430342424029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315205593 + ... + 316223696.

It is an arithmetic number, because the mean of its divisors is an integer number (15912018108000).

Almost surely, 2^{321430342424028} is an apocalyptic number.

It is an amenable number.

321430342424028 is an abundant number, since it is smaller than the sum of its proper divisors (442346526759972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321430342424028 is a wasteful number, since it uses less digits than its factorization.

321430342424028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631430074 (or 631430072 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 321430342424028 in words is "three hundred twenty-one trillion, four hundred thirty billion, three hundred forty-two million, four hundred twenty-four thousand, twenty-eight".