213210211013 has 2 divisors, whose sum is σ = 213210211014. Its totient is φ = 213210211012.

The previous prime is 213210210973. The next prime is 213210211073. The reversal of 213210211013 is 310112012312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208777714084 + 4432496929 = 456922^2 + 66577^2 .

It is a cyclic number.

It is not a de Polignac number, because 213210211013 - 2¹⁸ = 213209948869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213210210982 and 213210211000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213210211073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605105506 + 106605105507.

It is an arithmetic number, because the mean of its divisors is an integer number (106605105507).

Almost surely, 2^213210211013 is an apocalyptic number.

It is an amenable number.

213210211013 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210211013 is an equidigital number, since it uses as much as digits as its factorization.

213210211013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213210211013 its reverse (310112012312), we get a palindrome (523322223325).

The spelling of 213210211013 in words is "two hundred thirteen billion, two hundred ten million, two hundred eleven thousand, thirteen".