211264342 has 12 divisors (see below), whose sum is σ = 323789220. Its totient is φ = 103382516.

The previous prime is 211264337. The next prime is 211264367. The reversal of 211264342 is 243462112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19492 + ... + 28327.

It is an arithmetic number, because the mean of its divisors is an integer number (26982435).

Almost surely, 2^211264342 is an apocalyptic number.

211264342 is a deficient number, since it is larger than the sum of its proper divisors (112524878).

211264342 is an equidigital number, since it uses as much as digits as its factorization.

211264342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47915 (or 47868 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 211264342 is about 14534.9352251739. The cubic root of 211264342 is about 595.5826902477.

The spelling of 211264342 in words is "two hundred eleven million, two hundred sixty-four thousand, three hundred forty-two".