213134011 has 2 divisors, whose sum is σ = 213134012. Its totient is φ = 213134010.

The previous prime is 213134003. The next prime is 213134017. The reversal of 213134011 is 110431312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213134011 - 2³ = 213134003 is a prime.

It is a super-2 number, since 2×213134011² = 90852213289896242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213134017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106567005 + 106567006.

It is an arithmetic number, because the mean of its divisors is an integer number (106567006).

Almost surely, 2^213134011 is an apocalyptic number.

213134011 is a deficient number, since it is larger than the sum of its proper divisors (1).

213134011 is an equidigital number, since it uses as much as digits as its factorization.

213134011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 213134011 is about 14599.1099386230. The cubic root of 213134011 is about 597.3344823768.

Adding to 213134011 its reverse (110431312), we get a palindrome (323565323).

The spelling of 213134011 in words is "two hundred thirteen million, one hundred thirty-four thousand, eleven".