323133120011161 has 2 divisors, whose sum is σ = 323133120011162. Its totient is φ = 323133120011160.

The previous prime is 323133120011081. The next prime is 323133120011231. The reversal of 323133120011161 is 161110021331323.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309696819222025 + 13436300789136 = 17598205^2 + 3665556^2 .

It is a cyclic number.

It is not a de Polignac number, because 323133120011161 - 2²⁵ = 323133086456729 is a prime.

It is not a weakly prime, because it can be changed into another prime (323133120014161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161566560005580 + 161566560005581.

It is an arithmetic number, because the mean of its divisors is an integer number (161566560005581).

Almost surely, 2^{323133120011161} is an apocalyptic number.

It is an amenable number.

323133120011161 is a deficient number, since it is larger than the sum of its proper divisors (1).

323133120011161 is an equidigital number, since it uses as much as digits as its factorization.

323133120011161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 323133120011161 its reverse (161110021331323), we get a palindrome (484243141342484).

The spelling of 323133120011161 in words is "three hundred twenty-three trillion, one hundred thirty-three billion, one hundred twenty million, eleven thousand, one hundred sixty-one".