211035131 has 2 divisors, whose sum is σ = 211035132. Its totient is φ = 211035130.

The previous prime is 211035103. The next prime is 211035133. The reversal of 211035131 is 131530112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211035131 is a prime.

It is a super-2 number, since 2×211035131² = 89071653032374322, which contains 22 as substring.

Together with 211035133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (211035133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105517565 + 105517566.

It is an arithmetic number, because the mean of its divisors is an integer number (105517566).

Almost surely, 2^211035131 is an apocalyptic number.

211035131 is a deficient number, since it is larger than the sum of its proper divisors (1).

211035131 is an equidigital number, since it uses as much as digits as its factorization.

211035131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 211035131 is about 14527.0482548934. The cubic root of 211035131 is about 595.3672200572.

Adding to 211035131 its reverse (131530112), we get a palindrome (342565243).

The spelling of 211035131 in words is "two hundred eleven million, thirty-five thousand, one hundred thirty-one".