211000342 has 16 divisors (see below), whose sum is σ = 367646112. Its totient is φ = 88945920.

The previous prime is 211000333. The next prime is 211000357. The reversal of 211000342 is 243000112.

It is a super-2 number, since 2×211000342² = 89042288648233928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122683 + ... + 124390.

It is an arithmetic number, because the mean of its divisors is an integer number (22977882).

Almost surely, 2^211000342 is an apocalyptic number.

211000342 is a deficient number, since it is larger than the sum of its proper divisors (156645770).

211000342 is a wasteful number, since it uses less digits than its factorization.

211000342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247143.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 211000342 is about 14525.8508184547. The cubic root of 211000342 is about 595.3345029635.

Adding to 211000342 its reverse (243000112), we get a palindrome (454000454).

The spelling of 211000342 in words is "two hundred eleven million, three hundred forty-two", and thus it is an aban number.