211030030 has 8 divisors (see below), whose sum is σ = 379854072. Its totient is φ = 84412008.

The previous prime is 211029997. The next prime is 211030063. The reversal of 211030030 is 30030112.

It is an interprime number because it is at equal distance from previous prime (211029997) and next prime (211030063).

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

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 21103003 = 211030030 / (2 + 1 + 1 + 0 + 3 + 0 + 0 + 3 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 211029989 and 211030016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10551492 + ... + 10551511.

It is an arithmetic number, because the mean of its divisors is an integer number (47481759).

Almost surely, 2^211030030 is an apocalyptic number.

211030030 is a deficient number, since it is larger than the sum of its proper divisors (168824042).

211030030 is a wasteful number, since it uses less digits than its factorization.

211030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21103010.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 211030030 is about 14526.8726847866. The cubic root of 211030030 is about 595.3624230791.

Adding to 211030030 its reverse (30030112), we get a palindrome (241060142).

The spelling of 211030030 in words is "two hundred eleven million, thirty thousand, thirty".