212310033331 has 4 divisors (see below), whose sum is σ = 231610945464. Its totient is φ = 193009121200.

The previous prime is 212310033329. The next prime is 212310033337. The reversal of 212310033331 is 133330013212.

212310033331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212310033331 - 2¹ = 212310033329 is a prime.

It is a super-2 number, since 2×212310033331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212310033337) 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 3 ways as a sum of consecutive naturals, for example, 9650456050 + ... + 9650456071.

It is an arithmetic number, because the mean of its divisors is an integer number (57902736366).

Almost surely, 2^212310033331 is an apocalyptic number.

212310033331 is a deficient number, since it is larger than the sum of its proper divisors (19300912133).

212310033331 is a wasteful number, since it uses less digits than its factorization.

212310033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19300912132.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 212310033331 its reverse (133330013212), we get a palindrome (345640046543).

The spelling of 212310033331 in words is "two hundred twelve billion, three hundred ten million, thirty-three thousand, three hundred thirty-one".