213103030 has 32 divisors (see below), whose sum is σ = 439318080. Its totient is φ = 72908160.

The previous prime is 213103003. The next prime is 213103039. The reversal of 213103030 is 30301312.

It is a self number, because there is not a number n which added to its sum of digits gives 213103030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213103039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32640 + ... + 38620.

It is an arithmetic number, because the mean of its divisors is an integer number (13728690).

Almost surely, 2^213103030 is an apocalyptic number.

213103030 is an abundant number, since it is smaller than the sum of its proper divisors (226215050).

213103030 is a wasteful number, since it uses less digits than its factorization.

213103030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504.

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

The square root of 213103030 is about 14598.0488422255. The cubic root of 213103030 is about 597.3055382768.

Adding to 213103030 its reverse (30301312), we get a palindrome (243404342).

The spelling of 213103030 in words is "two hundred thirteen million, one hundred three thousand, thirty".