3121232330 has 16 divisors (see below), whose sum is σ = 5689336320. Its totient is φ = 1232688912.

The previous prime is 3121232321. The next prime is 3121232333. The reversal of 3121232330 is 332321213.

It is not an unprimeable number, because it can be changed into a prime (3121232333) 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, 1974674 + ... + 1976253.

It is an arithmetic number, because the mean of its divisors is an integer number (355583520).

Almost surely, 2^3121232330 is an apocalyptic number.

3121232330 is a deficient number, since it is larger than the sum of its proper divisors (2568103990).

3121232330 is a wasteful number, since it uses less digits than its factorization.

3121232330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3951013.

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

The square root of 3121232330 is about 55867.9902090634. The cubic root of 3121232330 is about 1461.4210736751.

Adding to 3121232330 its reverse (332321213), we get a palindrome (3453553543).

The spelling of 3121232330 in words is "three billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred thirty".