2130213233 has 4 divisors (see below), whose sum is σ = 2134834548. Its totient is φ = 2125591920.

The previous prime is 2130213223. The next prime is 2130213257. The reversal of 2130213233 is 3323120312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 901921024 + 1228292209 = 30032^2 + 35047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130213233 - 2⁸ = 2130212977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130213223) 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, 2309966 + ... + 2310887.

It is an arithmetic number, because the mean of its divisors is an integer number (533708637).

Almost surely, 2^2130213233 is an apocalyptic number.

It is an amenable number.

2130213233 is a deficient number, since it is larger than the sum of its proper divisors (4621315).

2130213233 is an equidigital number, since it uses as much as digits as its factorization.

2130213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4621314.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2130213233 is about 46154.2330994677. The cubic root of 2130213233 is about 1286.6912849848.

Adding to 2130213233 its reverse (3323120312), we get a palindrome (5453333545).

The spelling of 2130213233 in words is "two billion, one hundred thirty million, two hundred thirteen thousand, two hundred thirty-three".