321003020010442 has 64 divisors (see below), whose sum is σ = 611776512039168. Its totient is φ = 122679805248000.

The previous prime is 321003020010427. The next prime is 321003020010559. The reversal of 321003020010442 is 244010020300123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33461142 + ... + 41972062.

It is an arithmetic number, because the mean of its divisors is an integer number (9559008000612).

Almost surely, 2^{321003020010442} is an apocalyptic number.

321003020010442 is a deficient number, since it is larger than the sum of its proper divisors (290773492028726).

321003020010442 is a wasteful number, since it uses less digits than its factorization.

321003020010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515615.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 321003020010442 its reverse (244010020300123), we get a palindrome (565013040310565).

The spelling of 321003020010442 in words is "three hundred twenty-one trillion, three billion, twenty million, ten thousand, four hundred forty-two".