213013131213 has 8 divisors (see below), whose sum is σ = 300724420608. Its totient is φ = 133655297984.

The previous prime is 213013131209. The next prime is 213013131239. The reversal of 213013131213 is 312131310312.

It is a happy number.

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

It is not a de Polignac number, because 213013131213 - 2² = 213013131209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213013131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013131263) 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, 2088363981 + ... + 2088364082.

It is an arithmetic number, because the mean of its divisors is an integer number (37590552576).

Almost surely, 2^213013131213 is an apocalyptic number.

It is an amenable number.

213013131213 is a deficient number, since it is larger than the sum of its proper divisors (87711289395).

213013131213 is a wasteful number, since it uses less digits than its factorization.

213013131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176728083.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 213013131213 its reverse (312131310312), we get a palindrome (525144441525).

The spelling of 213013131213 in words is "two hundred thirteen billion, thirteen million, one hundred thirty-one thousand, two hundred thirteen".