3112145563 has 4 divisors (see below), whose sum is σ = 3154777768. Its totient is φ = 3069513360.

The previous prime is 3112145557. The next prime is 3112145581. The reversal of 3112145563 is 3655412113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3655412113 = 41 ⋅89156393.

It is a cyclic number.

It is not a de Polignac number, because 3112145563 - 2²⁹ = 2575274651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112145593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21315993 + ... + 21316138.

It is an arithmetic number, because the mean of its divisors is an integer number (788694442).

Almost surely, 2^3112145563 is an apocalyptic number.

3112145563 is a deficient number, since it is larger than the sum of its proper divisors (42632205).

3112145563 is an equidigital number, since it uses as much as digits as its factorization.

3112145563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42632204.

The product of its digits is 10800, while the sum is 31.

The square root of 3112145563 is about 55786.6073802665. The cubic root of 3112145563 is about 1460.0014954323.

Adding to 3112145563 its reverse (3655412113), we get a palindrome (6767557676).

The spelling of 3112145563 in words is "three billion, one hundred twelve million, one hundred forty-five thousand, five hundred sixty-three".