213020104313 has 2 divisors, whose sum is σ = 213020104314. Its totient is φ = 213020104312.

The previous prime is 213020104309. The next prime is 213020104369. The reversal of 213020104313 is 313401020312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153478248169 + 59541856144 = 391763^2 + 244012^2 .

It is a cyclic number.

It is not a de Polignac number, because 213020104313 - 2² = 213020104309 is a prime.

It is not a weakly prime, because it can be changed into another prime (213020104373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106510052156 + 106510052157.

It is an arithmetic number, because the mean of its divisors is an integer number (106510052157).

Almost surely, 2^213020104313 is an apocalyptic number.

It is an amenable number.

213020104313 is a deficient number, since it is larger than the sum of its proper divisors (1).

213020104313 is an equidigital number, since it uses as much as digits as its factorization.

213020104313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 213020104313 its reverse (313401020312), we get a palindrome (526421124625).

The spelling of 213020104313 in words is "two hundred thirteen billion, twenty million, one hundred four thousand, three hundred thirteen".