323210120000381 has 2 divisors, whose sum is σ = 323210120000382. Its totient is φ = 323210120000380.

The previous prime is 323210120000321. The next prime is 323210120000401. The reversal of 323210120000381 is 183000021012323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321640587104281 + 1569532896100 = 17934341^2 + 1252810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-323210120000381 is a prime.

It is a super-2 number, since 2×323210120000381² (a number of 30 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 323210120000381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323210120000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161605060000190 + 161605060000191.

It is an arithmetic number, because the mean of its divisors is an integer number (161605060000191).

Almost surely, 2^{323210120000381} is an apocalyptic number.

It is an amenable number.

323210120000381 is a deficient number, since it is larger than the sum of its proper divisors (1).

323210120000381 is an equidigital number, since it uses as much as digits as its factorization.

323210120000381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 323210120000381 in words is "three hundred twenty-three trillion, two hundred ten billion, one hundred twenty million, three hundred eighty-one", and thus it is an aban number.