213344029 has 2 divisors, whose sum is σ = 213344030. Its totient is φ = 213344028.

The previous prime is 213343997. The next prime is 213344051. The reversal of 213344029 is 920443312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173527929 + 39816100 = 13173^2 + 6310^2 .

It is a cyclic number.

It is not a de Polignac number, because 213344029 - 2⁵ = 213343997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213343988 and 213344006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213344129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106672014 + 106672015.

It is an arithmetic number, because the mean of its divisors is an integer number (106672015).

Almost surely, 2^213344029 is an apocalyptic number.

It is an amenable number.

213344029 is a deficient number, since it is larger than the sum of its proper divisors (1).

213344029 is an equidigital number, since it uses as much as digits as its factorization.

213344029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 213344029 is about 14606.3010033341. The cubic root of 213344029 is about 597.5306184598.

The spelling of 213344029 in words is "two hundred thirteen million, three hundred forty-four thousand, twenty-nine".