213323029 has 2 divisors, whose sum is σ = 213323030. Its totient is φ = 213323028.

The previous prime is 213322981. The next prime is 213323053. The reversal of 213323029 is 920323312.

213323029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211702500 + 1620529 = 14550^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 213323029 - 2⁹ = 213322517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213322994 and 213323012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213323069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106661514 + 106661515.

It is an arithmetic number, because the mean of its divisors is an integer number (106661515).

Almost surely, 2^213323029 is an apocalyptic number.

It is an amenable number.

213323029 is a deficient number, since it is larger than the sum of its proper divisors (1).

213323029 is an equidigital number, since it uses as much as digits as its factorization.

213323029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 213323029 is about 14605.5821178069. The cubic root of 213323029 is about 597.5110123260.

The spelling of 213323029 in words is "two hundred thirteen million, three hundred twenty-three thousand, twenty-nine".