213130799 has 4 divisors (see below), whose sum is σ = 243578064. Its totient is φ = 182683536.

The previous prime is 213130783. The next prime is 213130817. The reversal of 213130799 is 997031312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213130799 - 2⁴ = 213130783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213130739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15223622 + ... + 15223635.

It is an arithmetic number, because the mean of its divisors is an integer number (60894516).

Almost surely, 2^213130799 is an apocalyptic number.

213130799 is a deficient number, since it is larger than the sum of its proper divisors (30447265).

213130799 is an equidigital number, since it uses as much as digits as its factorization.

213130799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30447264.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 213130799 is about 14598.9999315022. Note that the first 4 decimals coincide. The cubic root of 213130799 is about 597.3314816857.

The spelling of 213130799 in words is "two hundred thirteen million, one hundred thirty thousand, seven hundred ninety-nine".