213313099 has 2 divisors, whose sum is σ = 213313100. Its totient is φ = 213313098.

The previous prime is 213313097. The next prime is 213313123. The reversal of 213313099 is 990313312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213313099 - 2¹ = 213313097 is a prime.

Together with 213313097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213313099.

It is not a weakly prime, because it can be changed into another prime (213313091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106656549 + 106656550.

It is an arithmetic number, because the mean of its divisors is an integer number (106656550).

Almost surely, 2^213313099 is an apocalyptic number.

213313099 is a deficient number, since it is larger than the sum of its proper divisors (1).

213313099 is an equidigital number, since it uses as much as digits as its factorization.

213313099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 213313099 is about 14605.2421753287. The cubic root of 213313099 is about 597.5017409775.

The spelling of 213313099 in words is "two hundred thirteen million, three hundred thirteen thousand, ninety-nine".