212103323331 has 4 divisors (see below), whose sum is σ = 282804431112. Its totient is φ = 141402215552.

The previous prime is 212103323239. The next prime is 212103323347. The reversal of 212103323331 is 133323301212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212103323331 - 2³⁰ = 211029581507 is a prime.

It is a super-2 number, since 2×212103323331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212103323351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35350553886 + ... + 35350553891.

It is an arithmetic number, because the mean of its divisors is an integer number (70701107778).

Almost surely, 2^212103323331 is an apocalyptic number.

212103323331 is a deficient number, since it is larger than the sum of its proper divisors (70701107781).

212103323331 is an equidigital number, since it uses as much as digits as its factorization.

212103323331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70701107780.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 212103323331 its reverse (133323301212), we get a palindrome (345426624543).

The spelling of 212103323331 in words is "two hundred twelve billion, one hundred three million, three hundred twenty-three thousand, three hundred thirty-one".