210231222132013 has 2 divisors, whose sum is σ = 210231222132014. Its totient is φ = 210231222132012.

The previous prime is 210231222132007. The next prime is 210231222132023. The reversal of 210231222132013 is 310231222132012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192345749241129 + 17885472890884 = 13868877^2 + 4229122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210231222132013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210231222132023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105115611066006 + 105115611066007.

It is an arithmetic number, because the mean of its divisors is an integer number (105115611066007).

Almost surely, 2^{210231222132013} is an apocalyptic number.

It is an amenable number.

210231222132013 is a deficient number, since it is larger than the sum of its proper divisors (1).

210231222132013 is an equidigital number, since it uses as much as digits as its factorization.

210231222132013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 210231222132013 its reverse (310231222132012), we get a palindrome (520462444264025).

Subtracting 210231222132013 from its reverse (310231222132012), we obtain a palindrome (99999999999999).

The spelling of 210231222132013 in words is "two hundred ten trillion, two hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-two thousand, thirteen".