213311112193 has 2 divisors, whose sum is σ = 213311112194. Its totient is φ = 213311112192.

The previous prime is 213311112167. The next prime is 213311112233. The reversal of 213311112193 is 391211113312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204911939584 + 8399172609 = 452672^2 + 91647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213311112193 is a prime.

It is not a weakly prime, because it can be changed into another prime (213311182193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106655556096 + 106655556097.

It is an arithmetic number, because the mean of its divisors is an integer number (106655556097).

Almost surely, 2^213311112193 is an apocalyptic number.

It is an amenable number.

213311112193 is a deficient number, since it is larger than the sum of its proper divisors (1).

213311112193 is an equidigital number, since it uses as much as digits as its factorization.

213311112193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 28.

The spelling of 213311112193 in words is "two hundred thirteen billion, three hundred eleven million, one hundred twelve thousand, one hundred ninety-three".