3204312144181 has 2 divisors, whose sum is σ = 3204312144182. Its totient is φ = 3204312144180.

The previous prime is 3204312144179. The next prime is 3204312144247. The reversal of 3204312144181 is 1814412134023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2992758141681 + 211554002500 = 1729959^2 + 459950^2 .

It is a cyclic number.

It is not a de Polignac number, because 3204312144181 - 2¹ = 3204312144179 is a prime.

It is a super-2 number, since 2×3204312144181² (a number of 26 digits) contains 22 as substring.

Together with 3204312144179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3204342144181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602156072090 + 1602156072091.

It is an arithmetic number, because the mean of its divisors is an integer number (1602156072091).

Almost surely, 2^{3204312144181} is an apocalyptic number.

It is an amenable number.

3204312144181 is a deficient number, since it is larger than the sum of its proper divisors (1).

3204312144181 is an equidigital number, since it uses as much as digits as its factorization.

3204312144181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 3204312144181 in words is "three trillion, two hundred four billion, three hundred twelve million, one hundred forty-four thousand, one hundred eighty-one".