213031068 has 24 divisors (see below), whose sum is σ = 497376768. Its totient is φ = 70966896.

The previous prime is 213031043. The next prime is 213031069. The reversal of 213031068 is 860130312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031069) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19605 + ... + 28467.

It is an arithmetic number, because the mean of its divisors is an integer number (20724032).

Almost surely, 2^213031068 is an apocalyptic number.

It is an amenable number.

213031068 is an abundant number, since it is smaller than the sum of its proper divisors (284345700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213031068 is a wasteful number, since it uses less digits than its factorization.

213031068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10873 (or 10871 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 213031068 is about 14595.5838526590. The cubic root of 213031068 is about 597.2382967171.

The spelling of 213031068 in words is "two hundred thirteen million, thirty-one thousand, sixty-eight".