213102302303 has 4 divisors (see below), whose sum is σ = 232475238888. Its totient is φ = 193729365720.

The previous prime is 213102302291. The next prime is 213102302317. The reversal of 213102302303 is 303203201312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213102302303 - 2¹² = 213102298207 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 (213102302323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9686468276 + ... + 9686468297.

It is an arithmetic number, because the mean of its divisors is an integer number (58118809722).

Almost surely, 2^213102302303 is an apocalyptic number.

213102302303 is a deficient number, since it is larger than the sum of its proper divisors (19372936585).

213102302303 is a wasteful number, since it uses less digits than its factorization.

213102302303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19372936584.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 213102302303 its reverse (303203201312), we get a palindrome (516305503615).

The spelling of 213102302303 in words is "two hundred thirteen billion, one hundred two million, three hundred two thousand, three hundred three".