213012240031 has 2 divisors, whose sum is σ = 213012240032. Its totient is φ = 213012240030.

The previous prime is 213012240019. The next prime is 213012240047. The reversal of 213012240031 is 130042210312.

It is a happy number.

213012240031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213012240031 - 2¹⁹ = 213011715743 is a prime.

It is a super-2 number, since 2×213012240031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213012239990 and 213012240008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213012247031) 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 as a sum of consecutive naturals, namely, 106506120015 + 106506120016.

It is an arithmetic number, because the mean of its divisors is an integer number (106506120016).

Almost surely, 2^213012240031 is an apocalyptic number.

213012240031 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012240031 is an equidigital number, since it uses as much as digits as its factorization.

213012240031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 213012240031 its reverse (130042210312), we get a palindrome (343054450343).

The spelling of 213012240031 in words is "two hundred thirteen billion, twelve million, two hundred forty thousand, thirty-one".