213311134303 has 8 divisors (see below), whose sum is σ = 214861807440. Its totient is φ = 211760690880.

The previous prime is 213311134297. The next prime is 213311134307. The reversal of 213311134303 is 303431113312.

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 213311134303 - 2¹³ = 213311126111 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 (213311134307) 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, 2099451 + ... + 2198707.

It is an arithmetic number, because the mean of its divisors is an integer number (26857725930).

Almost surely, 2^213311134303 is an apocalyptic number.

213311134303 is a deficient number, since it is larger than the sum of its proper divisors (1550673137).

213311134303 is a wasteful number, since it uses less digits than its factorization.

213311134303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114857.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 213311134303 its reverse (303431113312), we get a palindrome (516742247615).

The spelling of 213311134303 in words is "two hundred thirteen billion, three hundred eleven million, one hundred thirty-four thousand, three hundred three".