213203363 has 2 divisors, whose sum is σ = 213203364. Its totient is φ = 213203362.

The previous prime is 213203359. The next prime is 213203371. The reversal of 213203363 is 363302312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213203363 - 2² = 213203359 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (213203323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106601681 + 106601682.

It is an arithmetic number, because the mean of its divisors is an integer number (106601682).

Almost surely, 2^213203363 is an apocalyptic number.

213203363 is a deficient number, since it is larger than the sum of its proper divisors (1).

213203363 is an equidigital number, since it uses as much as digits as its factorization.

213203363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 213203363 is about 14601.4849587294. The cubic root of 213203363 is about 597.3992645427.

Adding to 213203363 its reverse (363302312), we get a palindrome (576505675).

The spelling of 213203363 in words is "two hundred thirteen million, two hundred three thousand, three hundred sixty-three".