213001334 has 24 divisors (see below), whose sum is σ = 400257648. Its totient is φ = 84263760.

The previous prime is 213001303. The next prime is 213001363. The reversal of 213001334 is 433100312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82322 + ... + 84869.

It is an arithmetic number, because the mean of its divisors is an integer number (16677402).

Almost surely, 2^213001334 is an apocalyptic number.

213001334 is a deficient number, since it is larger than the sum of its proper divisors (187256314).

213001334 is a wasteful number, since it uses less digits than its factorization.

213001334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167220 (or 167213 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 213001334 is about 14594.5652213418. The cubic root of 213001334 is about 597.2105087361.

Adding to 213001334 its reverse (433100312), we get a palindrome (646101646).

The spelling of 213001334 in words is "two hundred thirteen million, one thousand, three hundred thirty-four".