212300331 has 12 divisors (see below), whose sum is σ = 289810728. Its totient is φ = 138238464.

The previous prime is 212300321. The next prime is 212300359. The reversal of 212300331 is 133003212.

It is not a de Polignac number, because 212300331 - 2⁵ = 212300299 is a prime.

It is a super-2 number, since 2×212300331² = 90142861085419122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212300331.

It is not an unprimeable number, because it can be changed into a prime (212300321) 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, 13590 + ... + 24683.

It is an arithmetic number, because the mean of its divisors is an integer number (24150894).

Almost surely, 2^212300331 is an apocalyptic number.

212300331 is a deficient number, since it is larger than the sum of its proper divisors (77510397).

212300331 is an equidigital number, since it uses as much as digits as its factorization.

212300331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38362 (or 38319 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 212300331 is about 14570.5295373916. The cubic root of 212300331 is about 596.5546341817.

Adding to 212300331 its reverse (133003212), we get a palindrome (345303543).

The spelling of 212300331 in words is "two hundred twelve million, three hundred thousand, three hundred thirty-one".