213131010013133 has 4 divisors (see below), whose sum is σ = 213941394081888. Its totient is φ = 212320625944380.

The previous prime is 213131010013063. The next prime is 213131010013193. The reversal of 213131010013133 is 331310010131312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 213131010013133 - 2⁴⁴ = 195538823968717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213131010013099 and 213131010013108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213131010013193) 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, 405192033983 + ... + 405192034508.

It is an arithmetic number, because the mean of its divisors is an integer number (53485348520472).

Almost surely, 2^{213131010013133} is an apocalyptic number.

It is an amenable number.

213131010013133 is a deficient number, since it is larger than the sum of its proper divisors (810384068755).

213131010013133 is an equidigital number, since it uses as much as digits as its factorization.

213131010013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810384068754.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 213131010013133 its reverse (331310010131312), we get a palindrome (544441020144445).

The spelling of 213131010013133 in words is "two hundred thirteen trillion, one hundred thirty-one billion, ten million, thirteen thousand, one hundred thirty-three".