213135011 has 2 divisors, whose sum is σ = 213135012. Its totient is φ = 213135010.

The previous prime is 213134993. The next prime is 213135019. The reversal of 213135011 is 110531312.

213135011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213135011 - 2²² = 208940707 is a prime.

It is not a weakly prime, because it can be changed into another prime (213135019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106567505 + 106567506.

It is an arithmetic number, because the mean of its divisors is an integer number (106567506).

Almost surely, 2^213135011 is an apocalyptic number.

213135011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213135011 is an equidigital number, since it uses as much as digits as its factorization.

213135011 is an evil number, because the sum of its binary digits is even.

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

The square root of 213135011 is about 14599.1441872460. The cubic root of 213135011 is about 597.3354165833.

Adding to 213135011 its reverse (110531312), we get a palindrome (323666323).

The spelling of 213135011 in words is "two hundred thirteen million, one hundred thirty-five thousand, eleven".