213113303 has 8 divisors (see below), whose sum is σ = 235710048. Its totient is φ = 191402784.

The previous prime is 213113297. The next prime is 213113317. The reversal of 213113303 is 303311312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213113303 - 2⁴ = 213113287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213113393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221051 + ... + 222012.

It is an arithmetic number, because the mean of its divisors is an integer number (29463756).

Almost surely, 2^213113303 is an apocalyptic number.

213113303 is a deficient number, since it is larger than the sum of its proper divisors (22596745).

213113303 is a wasteful number, since it uses less digits than its factorization.

213113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443113.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 213113303 is about 14598.4007000767. The cubic root of 213113303 is about 597.3151361713.

Adding to 213113303 its reverse (303311312), we get a palindrome (516424615).

The spelling of 213113303 in words is "two hundred thirteen million, one hundred thirteen thousand, three hundred three".