3112419521 has 4 divisors (see below), whose sum is σ = 3119641344. Its totient is φ = 3105197700.

The previous prime is 3112419493. The next prime is 3112419523. The reversal of 3112419521 is 1259142113.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1259142113 = 1663 ⋅757151.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112419521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3112419523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3610265 + ... + 3611126.

It is an arithmetic number, because the mean of its divisors is an integer number (779910336).

Almost surely, 2^3112419521 is an apocalyptic number.

It is an amenable number.

3112419521 is a deficient number, since it is larger than the sum of its proper divisors (7221823).

3112419521 is an equidigital number, since it uses as much as digits as its factorization.

3112419521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221822.

The product of its digits is 2160, while the sum is 29.

The square root of 3112419521 is about 55789.0627363464. The cubic root of 3112419521 is about 1460.0443348331.

The spelling of 3112419521 in words is "three billion, one hundred twelve million, four hundred nineteen thousand, five hundred twenty-one".