323220320003131 has 32 divisors (see below), whose sum is σ = 334666192492800. Its totient is φ = 311996349235200.

The previous prime is 323220320003129. The next prime is 323220320003153. The reversal of 323220320003131 is 131300023022323.

It is a cyclic number.

It is not a de Polignac number, because 323220320003131 - 2¹ = 323220320003129 is a prime.

It is a super-2 number, since 2×323220320003131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 323220320003096 and 323220320003105.

It is not an unprimeable number, because it can be changed into a prime (323220320003171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 870866265 + ... + 871237333.

It is an arithmetic number, because the mean of its divisors is an integer number (10458318515400).

Almost surely, 2^{323220320003131} is an apocalyptic number.

323220320003131 is a deficient number, since it is larger than the sum of its proper divisors (11445872489669).

323220320003131 is a wasteful number, since it uses less digits than its factorization.

323220320003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372039.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 323220320003131 its reverse (131300023022323), we get a palindrome (454520343025454).

The spelling of 323220320003131 in words is "three hundred twenty-three trillion, two hundred twenty billion, three hundred twenty million, three thousand, one hundred thirty-one".