211032340 has 24 divisors (see below), whose sum is σ = 444390912. Its totient is φ = 84180000.

The previous prime is 211032301. The next prime is 211032343. The reversal of 211032340 is 43230112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211032343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7036 + ... + 21715.

It is an arithmetic number, because the mean of its divisors is an integer number (18516288).

Almost surely, 2^211032340 is an apocalyptic number.

211032340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211032340 is an abundant number, since it is smaller than the sum of its proper divisors (233358572).

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

211032340 is a wasteful number, since it uses less digits than its factorization.

211032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29127 (or 29125 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 211032340 is about 14526.9521923905. The cubic root of 211032340 is about 595.3645954116.

Adding to 211032340 its reverse (43230112), we get a palindrome (254262452).

The spelling of 211032340 in words is "two hundred eleven million, thirty-two thousand, three hundred forty".