323220221120131 has 4 divisors (see below), whose sum is σ = 323220277463200. Its totient is φ = 323220164777064.

The previous prime is 323220221120063. The next prime is 323220221120239. The reversal of 323220221120131 is 131021122022323.

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 323220221120131 - 2¹³ = 323220221111939 is a prime.

It is a super-2 number, since 2×323220221120131² (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 = 323220221120096 and 323220221120105.

It is not an unprimeable number, because it can be changed into a prime (323220221120831) 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, 18447816 + ... + 31412773.

It is an arithmetic number, because the mean of its divisors is an integer number (80805069365800).

Almost surely, 2^{323220221120131} is an apocalyptic number.

323220221120131 is a deficient number, since it is larger than the sum of its proper divisors (56343069).

323220221120131 is an equidigital number, since it uses as much as digits as its factorization.

323220221120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56343068.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323220221120131 its reverse (131021122022323), we get a palindrome (454241343142454).

The spelling of 323220221120131 in words is "three hundred twenty-three trillion, two hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, one hundred thirty-one".