213113413 has 2 divisors, whose sum is σ = 213113414. Its totient is φ = 213113412.

The previous prime is 213113393. The next prime is 213113441. The reversal of 213113413 is 314311312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161747524 + 51365889 = 12718^2 + 7167^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213113413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213113473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556706 + 106556707.

It is an arithmetic number, because the mean of its divisors is an integer number (106556707).

Almost surely, 2^213113413 is an apocalyptic number.

It is an amenable number.

213113413 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113413 is an equidigital number, since it uses as much as digits as its factorization.

213113413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 19.

The square root of 213113413 is about 14598.4044676122. The cubic root of 213113413 is about 597.3152389408.

Adding to 213113413 its reverse (314311312), we get a palindrome (527424725).

The spelling of 213113413 in words is "two hundred thirteen million, one hundred thirteen thousand, four hundred thirteen".