211233315 has 16 divisors (see below), whose sum is σ = 338201856. Its totient is φ = 112581600.

The previous prime is 211233299. The next prime is 211233359. The reversal of 211233315 is 513332112.

It is not a de Polignac number, because 211233315 - 2⁴ = 211233299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211233291 and 211233300.

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 15 ways as a sum of consecutive naturals, for example, 23620 + ... + 31310.

It is an arithmetic number, because the mean of its divisors is an integer number (21137616).

Almost surely, 2^211233315 is an apocalyptic number.

211233315 is a deficient number, since it is larger than the sum of its proper divisors (126968541).

211233315 is a wasteful number, since it uses less digits than its factorization.

211233315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530.

The product of its digits is 540, while the sum is 21.

The square root of 211233315 is about 14533.8678609653. The cubic root of 211233315 is about 595.5535323869.

Adding to 211233315 its reverse (513332112), we get a palindrome (724565427).

The spelling of 211233315 in words is "two hundred eleven million, two hundred thirty-three thousand, three hundred fifteen".