213255303 has 16 divisors (see below), whose sum is σ = 291029760. Its totient is φ = 138864704.

The previous prime is 213255281. The next prime is 213255313. The reversal of 213255303 is 303552312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 213255303 - 2⁶ = 213255239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213255313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17350 + ... + 26972.

It is an arithmetic number, because the mean of its divisors is an integer number (18189360).

Almost surely, 2^213255303 is an apocalyptic number.

213255303 is a deficient number, since it is larger than the sum of its proper divisors (77774457).

213255303 is an equidigital number, since it uses as much as digits as its factorization.

213255303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 213255303 is about 14603.2634366432. The cubic root of 213255303 is about 597.4477728432.

The spelling of 213255303 in words is "two hundred thirteen million, two hundred fifty-five thousand, three hundred three".