213311399 has 8 divisors (see below), whose sum is σ = 244087968. Its totient is φ = 182610720.

The previous prime is 213311389. The next prime is 213311419. The reversal of 213311399 is 993113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213311399 - 2⁴ = 213311383 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 (213311389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12812 + ... + 24305.

It is an arithmetic number, because the mean of its divisors is an integer number (30510996).

Almost surely, 2^213311399 is an apocalyptic number.

213311399 is a deficient number, since it is larger than the sum of its proper divisors (30776569).

213311399 is an equidigital number, since it uses as much as digits as its factorization.

213311399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37945.

The product of its digits is 4374, while the sum is 32.

The square root of 213311399 is about 14605.1839769309. The cubic root of 213311399 is about 597.5001537088.

The spelling of 213311399 in words is "two hundred thirteen million, three hundred eleven thousand, three hundred ninety-nine".