211043030 has 32 divisors (see below), whose sum is σ = 419087520. Its totient is φ = 75877120.

The previous prime is 211042987. The next prime is 211043081. The reversal of 211043030 is 30340112.

It is a junction number, because it is equal to n+sod(n) for n = 211042996 and 211043014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (13096485).

Almost surely, 2^211043030 is an apocalyptic number.

211043030 is a deficient number, since it is larger than the sum of its proper divisors (208044490).

211043030 is a wasteful number, since it uses less digits than its factorization.

211043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 211043030 is about 14527.3201245102. The cubic root of 211043030 is about 595.3746481206.

Adding to 211043030 its reverse (30340112), we get a palindrome (241383142).

The spelling of 211043030 in words is "two hundred eleven million, forty-three thousand, thirty".