2131232330 has 32 divisors (see below), whose sum is σ = 4096535040. Its totient is φ = 796541760.

The previous prime is 2131232329. The next prime is 2131232407. The reversal of 2131232330 is 332321312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109544 + ... + 127523.

It is an arithmetic number, because the mean of its divisors is an integer number (128016720).

Almost surely, 2^2131232330 is an apocalyptic number.

2131232330 is a deficient number, since it is larger than the sum of its proper divisors (1965302710).

2131232330 is a wasteful number, since it uses less digits than its factorization.

2131232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237134.

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

The square root of 2131232330 is about 46165.2719043222. The cubic root of 2131232330 is about 1286.8964372454.

Adding to 2131232330 its reverse (332321312), we get a palindrome (2463553642).

The spelling of 2131232330 in words is "two billion, one hundred thirty-one million, two hundred thirty-two thousand, three hundred thirty".