323212201220131 has 2 divisors, whose sum is σ = 323212201220132. Its totient is φ = 323212201220130.

The previous prime is 323212201220113. The next prime is 323212201220159. The reversal of 323212201220131 is 131022102212323.

Together with previous prime (323212201220113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 323212201220131 - 2³⁵ = 323177841481763 is a prime.

It is a super-2 number, since 2×323212201220131² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 323212201220096 and 323212201220105.

It is not a weakly prime, because it can be changed into another prime (323212201224131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161606100610065 + 161606100610066.

It is an arithmetic number, because the mean of its divisors is an integer number (161606100610066).

Almost surely, 2^{323212201220131} is an apocalyptic number.

323212201220131 is a deficient number, since it is larger than the sum of its proper divisors (1).

323212201220131 is an equidigital number, since it uses as much as digits as its factorization.

323212201220131 is an evil number, because the sum of its binary digits is even.

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

Adding to 323212201220131 its reverse (131022102212323), we get a palindrome (454234303432454).

The spelling of 323212201220131 in words is "three hundred twenty-three trillion, two hundred twelve billion, two hundred one million, two hundred twenty thousand, one hundred thirty-one".