323031220203 has 64 divisors (see below), whose sum is σ = 465140662272. Its totient is φ = 198883998720.

The previous prime is 323031220181. The next prime is 323031220219. The reversal of 323031220203 is 302022130323.

It is not a de Polignac number, because 323031220203 - 2¹⁷ = 323031089131 is a prime.

It is a super-2 number, since 2×323031220203² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 323031220203.

It is not an unprimeable number, because it can be changed into a prime (323031220243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376932151 + ... + 376933007.

It is an arithmetic number, because the mean of its divisors is an integer number (7267822848).

Almost surely, 2^323031220203 is an apocalyptic number.

323031220203 is a deficient number, since it is larger than the sum of its proper divisors (142109442069).

323031220203 is a wasteful number, since it uses less digits than its factorization.

323031220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 323031220203 its reverse (302022130323), we get a palindrome (625053350526).

The spelling of 323031220203 in words is "three hundred twenty-three billion, thirty-one million, two hundred twenty thousand, two hundred three".