211213310 has 64 divisors (see below), whose sum is σ = 498977280. Its totient is φ = 62363520.

The previous prime is 211213297. The next prime is 211213313. The reversal of 211213310 is 13312112.

It is a super-2 number, since 2×211213310² = 89222124642312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211213313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7412 + ... + 21848.

It is an arithmetic number, because the mean of its divisors is an integer number (7796520).

Almost surely, 2^211213310 is an apocalyptic number.

211213310 is an abundant number, since it is smaller than the sum of its proper divisors (287763970).

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

211213310 is a wasteful number, since it uses less digits than its factorization.

211213310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 211213310 is about 14533.1796245694. The cubic root of 211213310 is about 595.5347310210.

Adding to 211213310 its reverse (13312112), we get a palindrome (224525422).

The spelling of 211213310 in words is "two hundred eleven million, two hundred thirteen thousand, three hundred ten".