2302133231 has 4 divisors (see below), whose sum is σ = 2358282864. Its totient is φ = 2245983600.

The previous prime is 2302133209. The next prime is 2302133257. The reversal of 2302133231 is 1323312032.

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

It is a cyclic number.

It is not a de Polignac number, because 2302133231 - 2¹⁸ = 2301871087 is a prime.

It is a super-2 number, since 2×2302133231² = 10599634826548998722, 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 (2302133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28074755 + ... + 28074836.

It is an arithmetic number, because the mean of its divisors is an integer number (589570716).

Almost surely, 2^2302133231 is an apocalyptic number.

2302133231 is a deficient number, since it is larger than the sum of its proper divisors (56149633).

2302133231 is an equidigital number, since it uses as much as digits as its factorization.

2302133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56149632.

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

The square root of 2302133231 is about 47980.5505491548. The cubic root of 2302133231 is about 1320.4140939495.

Adding to 2302133231 its reverse (1323312032), we get a palindrome (3625445263).

The spelling of 2302133231 in words is "two billion, three hundred two million, one hundred thirty-three thousand, two hundred thirty-one".