213012319 has 8 divisors (see below), whose sum is σ = 234279360. Its totient is φ = 192442656.

The previous prime is 213012313. The next prime is 213012323. The reversal of 213012319 is 913210312.

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 213012319 - 2³ = 213012311 is a prime.

It is a super-2 number, since 2×213012319² = 90748496091515522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213012319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173704 + ... + 174925.

It is an arithmetic number, because the mean of its divisors is an integer number (29284920).

Almost surely, 2^213012319 is an apocalyptic number.

213012319 is a deficient number, since it is larger than the sum of its proper divisors (21267041).

213012319 is a wasteful number, since it uses less digits than its factorization.

213012319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348689.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 213012319 is about 14594.9415552101. The cubic root of 213012319 is about 597.2207750954.

The spelling of 213012319 in words is "two hundred thirteen million, twelve thousand, three hundred nineteen".