213103231230269 has 2 divisors, whose sum is σ = 213103231230270. Its totient is φ = 213103231230268.

The previous prime is 213103231230191. The next prime is 213103231230311. The reversal of 213103231230269 is 962032132301312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141606144426244 + 71497086804025 = 11899838^2 + 8455595^2 .

It is a cyclic number.

It is not a de Polignac number, because 213103231230269 - 2⁴⁴ = 195511045185853 is a prime.

It is a super-2 number, since 2×213103231230269² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213103231238269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551615615134 + 106551615615135.

It is an arithmetic number, because the mean of its divisors is an integer number (106551615615135).

Almost surely, 2^{213103231230269} is an apocalyptic number.

It is an amenable number.

213103231230269 is a deficient number, since it is larger than the sum of its proper divisors (1).

213103231230269 is an equidigital number, since it uses as much as digits as its factorization.

213103231230269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 38.

The spelling of 213103231230269 in words is "two hundred thirteen trillion, one hundred three billion, two hundred thirty-one million, two hundred thirty thousand, two hundred sixty-nine".