2130213109 has 4 divisors (see below), whose sum is σ = 2130884704. Its totient is φ = 2129541516.

The previous prime is 2130213083. The next prime is 2130213121. The reversal of 2130213109 is 9013120312.

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 2130213109 - 2²³ = 2121824501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130213109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130213199) 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, 331017 + ... + 337390.

It is an arithmetic number, because the mean of its divisors is an integer number (532721176).

Almost surely, 2^2130213109 is an apocalyptic number.

It is an amenable number.

2130213109 is a deficient number, since it is larger than the sum of its proper divisors (671595).

2130213109 is an equidigital number, since it uses as much as digits as its factorization.

2130213109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671594.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2130213109 is about 46154.2317561456. The cubic root of 2130213109 is about 1286.6912600186.

The spelling of 2130213109 in words is "two billion, one hundred thirty million, two hundred thirteen thousand, one hundred nine".