213117068 has 6 divisors (see below), whose sum is σ = 372954876. Its totient is φ = 106558532.

The previous prime is 213117067. The next prime is 213117071. The reversal of 213117068 is 860711312.

213117068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213117068.

It is not an unprimeable number, because it can be changed into a prime (213117067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26639630 + ... + 26639637.

It is an arithmetic number, because the mean of its divisors is an integer number (62159146).

Almost surely, 2^213117068 is an apocalyptic number.

It is an amenable number.

213117068 is a deficient number, since it is larger than the sum of its proper divisors (159837808).

213117068 is a wasteful number, since it uses less digits than its factorization.

213117068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53279271 (or 53279269 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 213117068 is about 14598.5296519889. The cubic root of 213117068 is about 597.3186536715.

The spelling of 213117068 in words is "two hundred thirteen million, one hundred seventeen thousand, sixty-eight".