213210230031311 has 2 divisors, whose sum is σ = 213210230031312. Its totient is φ = 213210230031310.

The previous prime is 213210230031283. The next prime is 213210230031353. The reversal of 213210230031311 is 113130032012312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213210230031311 - 2⁴² = 208812183520207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213210230031361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106605115015655 + 106605115015656.

It is an arithmetic number, because the mean of its divisors is an integer number (106605115015656).

Almost surely, 2^{213210230031311} is an apocalyptic number.

213210230031311 is a deficient number, since it is larger than the sum of its proper divisors (1).

213210230031311 is an equidigital number, since it uses as much as digits as its factorization.

213210230031311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 213210230031311 its reverse (113130032012312), we get a palindrome (326340262043623).

The spelling of 213210230031311 in words is "two hundred thirteen trillion, two hundred ten billion, two hundred thirty million, thirty-one thousand, three hundred eleven".