212034131 has 2 divisors, whose sum is σ = 212034132. Its totient is φ = 212034130.

The previous prime is 212034113. The next prime is 212034181. The reversal of 212034131 is 131430212.

Together with previous prime (212034113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212034131 is a prime.

It is a super-2 number, since 2×212034131² = 89916945417850322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212034181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106017065 + 106017066.

It is an arithmetic number, because the mean of its divisors is an integer number (106017066).

Almost surely, 2^212034131 is an apocalyptic number.

212034131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212034131 is an equidigital number, since it uses as much as digits as its factorization.

212034131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212034131 is about 14561.3917947427. The cubic root of 212034131 is about 596.3051931146.

Adding to 212034131 its reverse (131430212), we get a palindrome (343464343).

The spelling of 212034131 in words is "two hundred twelve million, thirty-four thousand, one hundred thirty-one".