2130213309 has 24 divisors (see below), whose sum is σ = 3341148480. Its totient is φ = 1203580224.

The previous prime is 2130213257. The next prime is 2130213311. The reversal of 2130213309 is 9033120312.

It is not a de Polignac number, because 2130213309 - 2⁷ = 2130213181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130213359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68329 + ... + 94494.

It is an arithmetic number, because the mean of its divisors is an integer number (139214520).

Almost surely, 2^2130213309 is an apocalyptic number.

It is an amenable number.

2130213309 is a deficient number, since it is larger than the sum of its proper divisors (1210935171).

2130213309 is a wasteful number, since it uses less digits than its factorization.

2130213309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162929 (or 162922 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 2130213309 is about 46154.2339227941. The cubic root of 2130213309 is about 1286.6913002866.

The spelling of 2130213309 in words is "two billion, one hundred thirty million, two hundred thirteen thousand, three hundred nine".