220331043349 has 2 divisors, whose sum is σ = 220331043350. Its totient is φ = 220331043348.

The previous prime is 220331043287. The next prime is 220331043391. The reversal of 220331043349 is 943340133022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191835240100 + 28495803249 = 437990^2 + 168807^2 .

It is a cyclic number.

It is not a de Polignac number, because 220331043349 - 2⁹ = 220331042837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220331043649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110165521674 + 110165521675.

It is an arithmetic number, because the mean of its divisors is an integer number (110165521675).

Almost surely, 2^220331043349 is an apocalyptic number.

It is an amenable number.

220331043349 is a deficient number, since it is larger than the sum of its proper divisors (1).

220331043349 is an equidigital number, since it uses as much as digits as its factorization.

220331043349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 220331043349 in words is "two hundred twenty billion, three hundred thirty-one million, forty-three thousand, three hundred forty-nine".