321320230113 has 16 divisors (see below), whose sum is σ = 438612261120. Its totient is φ = 209125885584.

The previous prime is 321320230087. The next prime is 321320230123. The reversal of 321320230113 is 311032023123.

It is not a de Polignac number, because 321320230113 - 2⁵ = 321320230081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321320230113.

It is not an unprimeable number, because it can be changed into a prime (321320230123) 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, 374031 + ... + 884612.

It is an arithmetic number, because the mean of its divisors is an integer number (27413266320).

Almost surely, 2^321320230113 is an apocalyptic number.

It is an amenable number.

321320230113 is a deficient number, since it is larger than the sum of its proper divisors (117292031007).

321320230113 is a wasteful number, since it uses less digits than its factorization.

321320230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260668.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 321320230113 its reverse (311032023123), we get a palindrome (632352253236).

The spelling of 321320230113 in words is "three hundred twenty-one billion, three hundred twenty million, two hundred thirty thousand, one hundred thirteen".