2130323231 has 8 divisors (see below), whose sum is σ = 2136252384. Its totient is φ = 2124403200.

The previous prime is 2130323203. The next prime is 2130323257. The reversal of 2130323231 is 1323230312.

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-2130323231 is a prime.

It is a super-2 number, since 2×2130323231² = 9076554137076558722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130323201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820271 + ... + 822863.

It is an arithmetic number, because the mean of its divisors is an integer number (267031548).

Almost surely, 2^2130323231 is an apocalyptic number.

2130323231 is a deficient number, since it is larger than the sum of its proper divisors (5929153).

2130323231 is a wasteful number, since it uses less digits than its factorization.

2130323231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561.

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

The square root of 2130323231 is about 46155.4247190945. The cubic root of 2130323231 is about 1286.7134315990.

Adding to 2130323231 its reverse (1323230312), we get a palindrome (3453553543).

The spelling of 2130323231 in words is "two billion, one hundred thirty million, three hundred twenty-three thousand, two hundred thirty-one".