212212312330031 has 24 divisors (see below), whose sum is σ = 230445846834336. Its totient is φ = 195331420477440.

The previous prime is 212212312330021. The next prime is 212212312330033. The reversal of 212212312330031 is 130033213212212.

212212312330031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212212312330031 - 2¹⁸ = 212212312067887 is a prime.

It is a super-2 number, since 2×212212312330031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212312330033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136286366 + ... + 137834676.

It is an arithmetic number, because the mean of its divisors is an integer number (9601910284764).

Almost surely, 2^{212212312330031} is an apocalyptic number.

212212312330031 is a deficient number, since it is larger than the sum of its proper divisors (18233534504305).

212212312330031 is a wasteful number, since it uses less digits than its factorization.

212212312330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550643 (or 1550630 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 212212312330031 its reverse (130033213212212), we get a palindrome (342245525542243).

The spelling of 212212312330031 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred twelve million, three hundred thirty thousand, thirty-one".