211230130 has 8 divisors (see below), whose sum is σ = 380214252. Its totient is φ = 84492048.

The previous prime is 211230127. The next prime is 211230133. The reversal of 211230130 is 31032112.

It is an interprime number because it is at equal distance from previous prime (211230127) and next prime (211230133).

It can be written as a sum of positive squares in 2 ways, for example, as 171426649 + 39803481 = 13093^2 + 6309^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 211230130.

It is not an unprimeable number, because it can be changed into a prime (211230133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10561497 + ... + 10561516.

Almost surely, 2^211230130 is an apocalyptic number.

211230130 is a deficient number, since it is larger than the sum of its proper divisors (168984122).

211230130 is a wasteful number, since it uses less digits than its factorization.

211230130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21123020.

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

The square root of 211230130 is about 14533.7582888942. The cubic root of 211230130 is about 595.5505390971.

Adding to 211230130 its reverse (31032112), we get a palindrome (242262242).

The spelling of 211230130 in words is "two hundred eleven million, two hundred thirty thousand, one hundred thirty".