211302342 has 24 divisors (see below), whose sum is σ = 459655560. Its totient is φ = 70152000.

The previous prime is 211302317. The next prime is 211302347. The reversal of 211302342 is 243203112.

211302342 is a `hidden beast` number, since 21 + 1 + 302 + 342 = 666.

211302342 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211302347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18867 + ... + 27902.

It is an arithmetic number, because the mean of its divisors is an integer number (19152315).

Almost surely, 2^211302342 is an apocalyptic number.

211302342 is an abundant number, since it is smaller than the sum of its proper divisors (248353218).

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

211302342 is a wasteful number, since it uses less digits than its factorization.

211302342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47028 (or 47025 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 211302342 is about 14536.2423617660. The cubic root of 211302342 is about 595.6183971496.

Adding to 211302342 its reverse (243203112), we get a palindrome (454505454).

The spelling of 211302342 in words is "two hundred eleven million, three hundred two thousand, three hundred forty-two".