331221223000043 has 2 divisors, whose sum is σ = 331221223000044. Its totient is φ = 331221223000042.

The previous prime is 331221222999971. The next prime is 331221223000051. The reversal of 331221223000043 is 340000322122133.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 331221223000043 - 2⁸ = 331221222999787 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331221222999976 and 331221223000021.

It is not a weakly prime, because it can be changed into another prime (331221223008043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165610611500021 + 165610611500022.

It is an arithmetic number, because the mean of its divisors is an integer number (165610611500022).

Almost surely, 2^{331221223000043} is an apocalyptic number.

331221223000043 is a deficient number, since it is larger than the sum of its proper divisors (1).

331221223000043 is an equidigital number, since it uses as much as digits as its factorization.

331221223000043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 331221223000043 its reverse (340000322122133), we get a palindrome (671221545122176).

The spelling of 331221223000043 in words is "three hundred thirty-one trillion, two hundred twenty-one billion, two hundred twenty-three million, forty-three", and thus it is an aban number.