212234131 has 2 divisors, whose sum is σ = 212234132. Its totient is φ = 212234130.

The previous prime is 212234129. The next prime is 212234159. The reversal of 212234131 is 131432212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212234131 - 2¹ = 212234129 is a prime.

It is a super-2 number, since 2×212234131² = 90086652722650322, which contains 22 as substring.

Together with 212234129, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 212234099 and 212234108.

It is not a weakly prime, because it can be changed into another prime (212234531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106117065 + 106117066.

It is an arithmetic number, because the mean of its divisors is an integer number (106117066).

Almost surely, 2^212234131 is an apocalyptic number.

212234131 is a deficient number, since it is larger than the sum of its proper divisors (1).

212234131 is an equidigital number, since it uses as much as digits as its factorization.

212234131 is an evil number, because the sum of its binary digits is even.

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

The square root of 212234131 is about 14568.2576514832. The cubic root of 212234131 is about 596.4926213685.

Adding to 212234131 its reverse (131432212), we get a palindrome (343666343).

The spelling of 212234131 in words is "two hundred twelve million, two hundred thirty-four thousand, one hundred thirty-one".