3121201330 has 16 divisors (see below), whose sum is σ = 6050328984. Its totient is φ = 1152443520.

The previous prime is 3121201319. The next prime is 3121201367. The reversal of 3121201330 is 331021213.

It can be written as a sum of positive squares in 4 ways, for example, as 1419556329 + 1701645001 = 37677^2 + 41251^2 .

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 7 ways as a sum of consecutive naturals, for example, 12004491 + ... + 12004750.

Almost surely, 2^3121201330 is an apocalyptic number.

3121201330 is a deficient number, since it is larger than the sum of its proper divisors (2929127654).

3121201330 is a wasteful number, since it uses less digits than its factorization.

3121201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24009261.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3121201330 is about 55867.7127686466. The cubic root of 3121201330 is about 1461.4162353935.

Adding to 3121201330 its reverse (331021213), we get a palindrome (3452222543).

The spelling of 3121201330 in words is "three billion, one hundred twenty-one million, two hundred one thousand, three hundred thirty".