213113099 has 2 divisors, whose sum is σ = 213113100. Its totient is φ = 213113098.

The previous prime is 213113059. The next prime is 213113107. The reversal of 213113099 is 990311312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213113099 - 2⁸ = 213112843 is a prime.

It is not a weakly prime, because it can be changed into another prime (213113059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556549 + 106556550.

It is an arithmetic number, because the mean of its divisors is an integer number (106556550).

Almost surely, 2^213113099 is an apocalyptic number.

213113099 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113099 is an equidigital number, since it uses as much as digits as its factorization.

213113099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 213113099 is about 14598.3937130083. The cubic root of 213113099 is about 597.3149455805.

The spelling of 213113099 in words is "two hundred thirteen million, one hundred thirteen thousand, ninety-nine".