3112121330 has 8 divisors (see below), whose sum is σ = 5601818412. Its totient is φ = 1244848528.

The previous prime is 3112121317. The next prime is 3112121377. The reversal of 3112121330 is 331212113.

It can be written as a sum of positive squares in 2 ways, for example, as 2855512969 + 256608361 = 53437^2 + 16019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3112121299 and 3112121308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155606057 + ... + 155606076.

Almost surely, 2^3112121330 is an apocalyptic number.

3112121330 is a deficient number, since it is larger than the sum of its proper divisors (2489697082).

3112121330 is a wasteful number, since it uses less digits than its factorization.

3112121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311212140.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 3112121330 is about 55786.3901861377. The cubic root of 3112121330 is about 1459.9977059450.

Adding to 3112121330 its reverse (331212113), we get a palindrome (3443333443).

The spelling of 3112121330 in words is "three billion, one hundred twelve million, one hundred twenty-one thousand, three hundred thirty".