3120030505 has 16 divisors (see below), whose sum is σ = 3837456000. Its totient is φ = 2433811840.

The previous prime is 3120030493. The next prime is 3120030521. The reversal of 3120030505 is 5050300213.

It is not a de Polignac number, because 3120030505 - 2⁷ = 3120030377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550476 + ... + 556114.

It is an arithmetic number, because the mean of its divisors is an integer number (239841000).

Almost surely, 2^3120030505 is an apocalyptic number.

It is an amenable number.

3120030505 is a deficient number, since it is larger than the sum of its proper divisors (717425495).

3120030505 is a wasteful number, since it uses less digits than its factorization.

3120030505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 3120030505 is about 55857.2332379612. The cubic root of 3120030505 is about 1461.2334770601.

Adding to 3120030505 its reverse (5050300213), we get a palindrome (8170330718).

The spelling of 3120030505 in words is "three billion, one hundred twenty million, thirty thousand, five hundred five".