211313103349 has 2 divisors, whose sum is σ = 211313103350. Its totient is φ = 211313103348.

The previous prime is 211313103283. The next prime is 211313103427. The reversal of 211313103349 is 943301313112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 168053263249 + 43259840100 = 409943^2 + 207990^2 .

It is a cyclic number.

It is not a de Polignac number, because 211313103349 - 2¹⁹ = 211312579061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211313103349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211313103049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105656551674 + 105656551675.

It is an arithmetic number, because the mean of its divisors is an integer number (105656551675).

Almost surely, 2^211313103349 is an apocalyptic number.

It is an amenable number.

211313103349 is a deficient number, since it is larger than the sum of its proper divisors (1).

211313103349 is an equidigital number, since it uses as much as digits as its factorization.

211313103349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 211313103349 in words is "two hundred eleven billion, three hundred thirteen million, one hundred three thousand, three hundred forty-nine".