213012313020203 has 4 divisors (see below), whose sum is σ = 213013690816368. Its totient is φ = 213010935224040.

The previous prime is 213012313020191. The next prime is 213012313020223. The reversal of 213012313020203 is 302020313210312.

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

It is a cyclic number.

It is not a de Polignac number, because 213012313020203 - 2⁴⁰ = 211912801392427 is a prime.

It is a super-2 number, since 2×213012313020203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213012313020223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688666151 + ... + 688975392.

It is an arithmetic number, because the mean of its divisors is an integer number (53253422704092).

Almost surely, 2^{213012313020203} is an apocalyptic number.

213012313020203 is a deficient number, since it is larger than the sum of its proper divisors (1377796165).

213012313020203 is a wasteful number, since it uses less digits than its factorization.

213012313020203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377796164.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 213012313020203 its reverse (302020313210312), we get a palindrome (515032626230515).

The spelling of 213012313020203 in words is "two hundred thirteen trillion, twelve billion, three hundred thirteen million, twenty thousand, two hundred three".