213102333209 has 2 divisors, whose sum is σ = 213102333210. Its totient is φ = 213102333208.

The previous prime is 213102333133. The next prime is 213102333211. The reversal of 213102333209 is 902333201312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208739334400 + 4362998809 = 456880^2 + 66053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213102333209 is a prime.

Together with 213102333211, 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 (213102333289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551166604 + 106551166605.

It is an arithmetic number, because the mean of its divisors is an integer number (106551166605).

Almost surely, 2^213102333209 is an apocalyptic number.

It is an amenable number.

213102333209 is a deficient number, since it is larger than the sum of its proper divisors (1).

213102333209 is an equidigital number, since it uses as much as digits as its factorization.

213102333209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The spelling of 213102333209 in words is "two hundred thirteen billion, one hundred two million, three hundred thirty-three thousand, two hundred nine".