323201220331 has 4 divisors (see below), whose sum is σ = 352583149464. Its totient is φ = 293819291200.

The previous prime is 323201220301. The next prime is 323201220341. The reversal of 323201220331 is 133022102323.

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

It is a cyclic number.

It is not a de Polignac number, because 323201220331 - 2¹⁹ = 323200696043 is a prime.

It is a super-2 number, since 2×323201220331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323201220301) 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, 14690964550 + ... + 14690964571.

It is an arithmetic number, because the mean of its divisors is an integer number (88145787366).

Almost surely, 2^323201220331 is an apocalyptic number.

323201220331 is a deficient number, since it is larger than the sum of its proper divisors (29381929133).

323201220331 is a wasteful number, since it uses less digits than its factorization.

323201220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29381929132.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 323201220331 its reverse (133022102323), we get a palindrome (456223322654).

The spelling of 323201220331 in words is "three hundred twenty-three billion, two hundred one million, two hundred twenty thousand, three hundred thirty-one".