321424322401002 has 32 divisors (see below), whose sum is σ = 670839376084992. Its totient is φ = 102476885450544.

The previous prime is 321424322401001. The next prime is 321424322401003. The reversal of 321424322401002 is 200104223424123.

It is an interprime number because it is at equal distance from previous prime (321424322401001) and next prime (321424322401003).

It is a super-2 number, since 2×321424322401002² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321424322401001) 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, 68538418 + ... + 73077789.

It is an arithmetic number, because the mean of its divisors is an integer number (20963730502656).

Almost surely, 2^{321424322401002} is an apocalyptic number.

321424322401002 is an abundant number, since it is smaller than the sum of its proper divisors (349415053683990).

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

321424322401002 is a wasteful number, since it uses less digits than its factorization.

321424322401002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141632682.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 321424322401002 its reverse (200104223424123), we get a palindrome (521528545825125).

The spelling of 321424322401002 in words is "three hundred twenty-one trillion, four hundred twenty-four billion, three hundred twenty-two million, four hundred one thousand, two".