2131020213 has 8 divisors (see below), whose sum is σ = 3247268928. Its totient is φ = 1217725824.

The previous prime is 2131020211. The next prime is 2131020271. The reversal of 2131020213 is 3120201312.

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

It is not a de Polignac number, because 2131020213 - 2¹ = 2131020211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131020192 and 2131020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131020211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50738556 + ... + 50738597.

It is an arithmetic number, because the mean of its divisors is an integer number (405908616).

Almost surely, 2^2131020213 is an apocalyptic number.

It is an amenable number.

2131020213 is a deficient number, since it is larger than the sum of its proper divisors (1116248715).

2131020213 is a wasteful number, since it uses less digits than its factorization.

2131020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101477163.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131020213 is about 46162.9744817207. The cubic root of 2131020213 is about 1286.8537418113.

Adding to 2131020213 its reverse (3120201312), we get a palindrome (5251221525).

The spelling of 2131020213 in words is "two billion, one hundred thirty-one million, twenty thousand, two hundred thirteen".