212013131311 has 8 divisors (see below), whose sum is σ = 215686152864. Its totient is φ = 208359191040.

The previous prime is 212013131263. The next prime is 212013131371. The reversal of 212013131311 is 113131310212.

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-212013131311 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 (212013131371) 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 7 ways as a sum of consecutive naturals, for example, 4747906 + ... + 4792351.

It is an arithmetic number, because the mean of its divisors is an integer number (26960769108).

Almost surely, 2^212013131311 is an apocalyptic number.

212013131311 is a deficient number, since it is larger than the sum of its proper divisors (3673021553).

212013131311 is an equidigital number, since it uses as much as digits as its factorization.

212013131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540641.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 212013131311 its reverse (113131310212), we get a palindrome (325144441523).

The spelling of 212013131311 in words is "two hundred twelve billion, thirteen million, one hundred thirty-one thousand, three hundred eleven".