213131202013 has 8 divisors (see below), whose sum is σ = 215295516800. Its totient is φ = 210968715888.

The previous prime is 213131201989. The next prime is 213131202029. The reversal of 213131202013 is 310202131312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213131202013 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 (213131212013) 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, 222273 + ... + 689686.

It is an arithmetic number, because the mean of its divisors is an integer number (26911939600).

Almost surely, 2^213131202013 is an apocalyptic number.

It is an amenable number.

213131202013 is a deficient number, since it is larger than the sum of its proper divisors (2164314787).

213131202013 is a wasteful number, since it uses less digits than its factorization.

213131202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914331.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213131202013 its reverse (310202131312), we get a palindrome (523333333325).

The spelling of 213131202013 in words is "two hundred thirteen billion, one hundred thirty-one million, two hundred two thousand, thirteen".