212333333031 has 6 divisors (see below), whose sum is σ = 306703703280. Its totient is φ = 141555555348.

The previous prime is 212333332987. The next prime is 212333333033. The reversal of 212333333031 is 130333333212.

212333333031 is a `hidden beast` number, since 2 + 1 + 23 + 3 + 333 + 303 + 1 = 666.

It is not a de Polignac number, because 212333333031 - 2⁷ = 212333332903 is a prime.

It is a super-2 number, since 2×212333333031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212333332986 and 212333333004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333333033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11796296271 + ... + 11796296288.

It is an arithmetic number, because the mean of its divisors is an integer number (51117283880).

Almost surely, 2^212333333031 is an apocalyptic number.

212333333031 is a deficient number, since it is larger than the sum of its proper divisors (94370370249).

212333333031 is a wasteful number, since it uses less digits than its factorization.

212333333031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23592592565 (or 23592592562 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 212333333031 its reverse (130333333212), we get a palindrome (342666666243).

The spelling of 212333333031 in words is "two hundred twelve billion, three hundred thirty-three million, three hundred thirty-three thousand, thirty-one".