211002030 has 64 divisors (see below), whose sum is σ = 592300800. Its totient is φ = 53304480.

The previous prime is 211002013. The next prime is 211002037. The reversal of 211002030 is 30200112.

It is a happy number.

211002030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15436 + ... + 25695.

It is an arithmetic number, because the mean of its divisors is an integer number (9254700).

Almost surely, 2^211002030 is an apocalyptic number.

211002030 is an abundant number, since it is smaller than the sum of its proper divisors (381298770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211002030 is a wasteful number, since it uses less digits than its factorization.

211002030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41166 (or 41160 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 211002030 is about 14525.9089216476. The cubic root of 211002030 is about 595.3360905153.

Adding to 211002030 its reverse (30200112), we get a palindrome (241202142).

The spelling of 211002030 in words is "two hundred eleven million, two thousand, thirty".