321022130442 has 16 divisors (see below), whose sum is σ = 691432281120. Its totient is φ = 98776040112.

The previous prime is 321022130411. The next prime is 321022130467. The reversal of 321022130442 is 244031220123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057834092 + ... + 2057834247.

It is an arithmetic number, because the mean of its divisors is an integer number (43214517570).

Almost surely, 2^321022130442 is an apocalyptic number.

321022130442 is an abundant number, since it is smaller than the sum of its proper divisors (370410150678).

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

321022130442 is a wasteful number, since it uses less digits than its factorization.

321022130442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115668357.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 321022130442 its reverse (244031220123), we get a palindrome (565053350565).

The spelling of 321022130442 in words is "three hundred twenty-one billion, twenty-two million, one hundred thirty thousand, four hundred forty-two".