213316803 has 24 divisors (see below), whose sum is σ = 361663328. Its totient is φ = 118599552.

The previous prime is 213316793. The next prime is 213316823. The reversal of 213316803 is 308613312.

It is a happy number.

It is not a de Polignac number, because 213316803 - 2⁴ = 213316787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213316823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43426 + ... + 48087.

Almost surely, 2^213316803 is an apocalyptic number.

213316803 is a deficient number, since it is larger than the sum of its proper divisors (148346525).

213316803 is a wasteful number, since it uses less digits than its factorization.

213316803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91563 (or 91560 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 213316803 is about 14605.3689785640. The cubic root of 213316803 is about 597.5051993268.

The spelling of 213316803 in words is "two hundred thirteen million, three hundred sixteen thousand, eight hundred three".