211322030 has 16 divisors (see below), whose sum is σ = 382507920. Its totient is φ = 84055872.

The previous prime is 211322021. The next prime is 211322051. The reversal of 211322030 is 30223112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211321996 and 211322014.

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, 57239 + ... + 60818.

It is an arithmetic number, because the mean of its divisors is an integer number (23906745).

Almost surely, 2^211322030 is an apocalyptic number.

211322030 is a deficient number, since it is larger than the sum of its proper divisors (171185890).

211322030 is a wasteful number, since it uses less digits than its factorization.

211322030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118243.

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

The square root of 211322030 is about 14536.9195498909. The cubic root of 211322030 is about 595.6368953999.

Adding to 211322030 its reverse (30223112), we get a palindrome (241545142).

The spelling of 211322030 in words is "two hundred eleven million, three hundred twenty-two thousand, thirty".