3120330545 has 16 divisors (see below), whose sum is σ = 3922560000. Its totient is φ = 2379668928.

The previous prime is 3120330541. The next prime is 3120330571. The reversal of 3120330545 is 5450330213.

It is a cyclic number.

It is not a de Polignac number, because 3120330545 - 2² = 3120330541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3120330541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124745 + ... + 147654.

It is an arithmetic number, because the mean of its divisors is an integer number (245160000).

Almost surely, 2^3120330545 is an apocalyptic number.

It is an amenable number.

3120330545 is a deficient number, since it is larger than the sum of its proper divisors (802229455).

3120330545 is a wasteful number, since it uses less digits than its factorization.

3120330545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272512.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3120330545 is about 55859.9189490998. The cubic root of 3120330545 is about 1461.2803157516.

Adding to 3120330545 its reverse (5450330213), we get a palindrome (8570660758).

The spelling of 3120330545 in words is "three billion, one hundred twenty million, three hundred thirty thousand, five hundred forty-five".