213112030 has 16 divisors (see below), whose sum is σ = 385747920. Its totient is φ = 84767872.

The previous prime is 213112027. The next prime is 213112049. The reversal of 213112030 is 30211312.

213112030 is digitally balanced in base 3, 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 213112030.

It is a congruent number.

It is an unprimeable number.

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, 57739 + ... + 61318.

It is an arithmetic number, because the mean of its divisors is an integer number (24109245).

Almost surely, 2^213112030 is an apocalyptic number.

213112030 is a deficient number, since it is larger than the sum of its proper divisors (172635890).

213112030 is a wasteful number, since it uses less digits than its factorization.

213112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119243.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 213112030 is about 14598.3570993451. The cubic root of 213112030 is about 597.3139468452.

Adding to 213112030 its reverse (30211312), we get a palindrome (243323342).

It can be divided in two parts, 2131 and 12030, that added together give a square (14161 = 119²).

The spelling of 213112030 in words is "two hundred thirteen million, one hundred twelve thousand, thirty".