331441223013181 has 2 divisors, whose sum is σ = 331441223013182. Its totient is φ = 331441223013180.

The previous prime is 331441223013119. The next prime is 331441223013253. The reversal of 331441223013181 is 181310322144133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238186471090681 + 93254751922500 = 15433291^2 + 9656850^2 .

It is a cyclic number.

It is not a de Polignac number, because 331441223013181 - 2¹¹ = 331441223011133 is a prime.

It is a super-2 number, since 2×331441223013181² (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 331441223013181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331441223013581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165720611506590 + 165720611506591.

It is an arithmetic number, because the mean of its divisors is an integer number (165720611506591).

Almost surely, 2^{331441223013181} is an apocalyptic number.

It is an amenable number.

331441223013181 is a deficient number, since it is larger than the sum of its proper divisors (1).

331441223013181 is an equidigital number, since it uses as much as digits as its factorization.

331441223013181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 331441223013181 in words is "three hundred thirty-one trillion, four hundred forty-one billion, two hundred twenty-three million, thirteen thousand, one hundred eighty-one".