213131010013223 has 2 divisors, whose sum is σ = 213131010013224. Its totient is φ = 213131010013222.

The previous prime is 213131010013199. The next prime is 213131010013391. The reversal of 213131010013223 is 322310010131312.

213131010013223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213131010013223 - 2⁸ = 213131010012967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213131010010223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106565505006611 + 106565505006612.

It is an arithmetic number, because the mean of its divisors is an integer number (106565505006612).

Almost surely, 2^{213131010013223} is an apocalyptic number.

213131010013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

213131010013223 is an equidigital number, since it uses as much as digits as its factorization.

213131010013223 is an evil number, because the sum of its binary digits is even.

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

Adding to 213131010013223 its reverse (322310010131312), we get a palindrome (535441020144535).

The spelling of 213131010013223 in words is "two hundred thirteen trillion, one hundred thirty-one billion, ten million, thirteen thousand, two hundred twenty-three".