213143303131 has 8 divisors (see below), whose sum is σ = 232526181744. Its totient is φ = 193761460320.

The previous prime is 213143303123. The next prime is 213143303141. The reversal of 213143303131 is 131303341312.

213143303131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213143303131 - 2³ = 213143303123 is a prime.

It is a super-2 number, since 2×213143303131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213143303096 and 213143303105.

It is not an unprimeable number, because it can be changed into a prime (213143303101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207921 + ... + 685213.

It is an arithmetic number, because the mean of its divisors is an integer number (29065772718).

Almost surely, 2^213143303131 is an apocalyptic number.

213143303131 is a deficient number, since it is larger than the sum of its proper divisors (19382878613).

213143303131 is a wasteful number, since it uses less digits than its factorization.

213143303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517901.

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

Adding to 213143303131 its reverse (131303341312), we get a palindrome (344446644443).

The spelling of 213143303131 in words is "two hundred thirteen billion, one hundred forty-three million, three hundred three thousand, one hundred thirty-one".