213312099 has 64 divisors (see below), whose sum is σ = 384749568. Its totient is φ = 101520000.

The previous prime is 213312089. The next prime is 213312103. The reversal of 213312099 is 990213312.

It is a happy number.

It is not a de Polignac number, because 213312099 - 2⁴ = 213312083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213312079) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 753612 + ... + 753894.

It is an arithmetic number, because the mean of its divisors is an integer number (6011712).

Almost surely, 2^213312099 is an apocalyptic number.

213312099 is a deficient number, since it is larger than the sum of its proper divisors (171437469).

213312099 is a wasteful number, since it uses less digits than its factorization.

213312099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 213312099 is about 14605.2079410052. The cubic root of 213312099 is about 597.5008072910.

The spelling of 213312099 in words is "two hundred thirteen million, three hundred twelve thousand, ninety-nine".