213323003149 has 2 divisors, whose sum is σ = 213323003150. Its totient is φ = 213323003148.

The previous prime is 213323003129. The next prime is 213323003219. The reversal of 213323003149 is 941300323312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197322524100 + 16000479049 = 444210^2 + 126493^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323003149 - 2¹⁵ = 213322970381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213323003149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213323003129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661501574 + 106661501575.

It is an arithmetic number, because the mean of its divisors is an integer number (106661501575).

Almost surely, 2^213323003149 is an apocalyptic number.

It is an amenable number.

213323003149 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323003149 is an equidigital number, since it uses as much as digits as its factorization.

213323003149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 213323003149 in words is "two hundred thirteen billion, three hundred twenty-three million, three thousand, one hundred forty-nine".