321142330011 has 4 divisors (see below), whose sum is σ = 428189773352. Its totient is φ = 214094886672.

The previous prime is 321142329973. The next prime is 321142330013. The reversal of 321142330011 is 110033241123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 321142330011 - 2¹⁷ = 321142198939 is a prime.

It is a super-2 number, since 2×321142330011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321142330011.

It is not an unprimeable number, because it can be changed into a prime (321142330013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53523721666 + ... + 53523721671.

It is an arithmetic number, because the mean of its divisors is an integer number (107047443338).

Almost surely, 2^321142330011 is an apocalyptic number.

321142330011 is a deficient number, since it is larger than the sum of its proper divisors (107047443341).

321142330011 is a wasteful number, since it uses less digits than its factorization.

321142330011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107047443340.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 321142330011 its reverse (110033241123), we get a palindrome (431175571134).

The spelling of 321142330011 in words is "three hundred twenty-one billion, one hundred forty-two million, three hundred thirty thousand, eleven".