211355030 has 8 divisors (see below), whose sum is σ = 380439072. Its totient is φ = 84542008.

The previous prime is 211355029. The next prime is 211355047. The reversal of 211355030 is 30553112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211354993 and 211355011.

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, 10567742 + ... + 10567761.

It is an arithmetic number, because the mean of its divisors is an integer number (47554884).

Almost surely, 2^211355030 is an apocalyptic number.

211355030 is a deficient number, since it is larger than the sum of its proper divisors (169084042).

211355030 is a wasteful number, since it uses less digits than its factorization.

211355030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21135510.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 211355030 is about 14538.0545466029. The cubic root of 211355030 is about 595.6678986267.

The spelling of 211355030 in words is "two hundred eleven million, three hundred fifty-five thousand, thirty".