212330330131 has 2 divisors, whose sum is σ = 212330330132. Its totient is φ = 212330330130.

The previous prime is 212330330117. The next prime is 212330330137. The reversal of 212330330131 is 131033033212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212330330131 - 2¹⁵ = 212330297363 is a prime.

It is a super-2 number, since 2×212330330131² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212330330137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165165065 + 106165165066.

It is an arithmetic number, because the mean of its divisors is an integer number (106165165066).

Almost surely, 2^212330330131 is an apocalyptic number.

212330330131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212330330131 is an equidigital number, since it uses as much as digits as its factorization.

212330330131 is an odious number, because the sum of its binary digits is odd.

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

Adding to 212330330131 its reverse (131033033212), we get a palindrome (343363363343).

The spelling of 212330330131 in words is "two hundred twelve billion, three hundred thirty million, three hundred thirty thousand, one hundred thirty-one".