213013030 has 16 divisors (see below), whose sum is σ = 384853680. Its totient is φ = 84887392.

The previous prime is 213012991. The next prime is 213013049. The reversal of 213013030 is 30310312.

It is a self number, because there is not a number n which added to its sum of digits gives 213013030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36904 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (24053355).

Almost surely, 2^213013030 is an apocalyptic number.

213013030 is a deficient number, since it is larger than the sum of its proper divisors (171840650).

213013030 is a wasteful number, since it uses less digits than its factorization.

213013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79463.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 213013030 is about 14594.9659129441. The cubic root of 213013030 is about 597.2214395695.

Adding to 213013030 its reverse (30310312), we get a palindrome (243323342).

The spelling of 213013030 in words is "two hundred thirteen million, thirteen thousand, thirty".