3112504145 has 4 divisors (see below), whose sum is σ = 3735004980. Its totient is φ = 2490003312.

The previous prime is 3112504117. The next prime is 3112504147. The reversal of 3112504145 is 5414052113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5414052113 = 18679 ⋅289847.

It can be written as a sum of positive squares in 2 ways, for example, as 1184942929 + 1927561216 = 34423^2 + 43904^2 .

It is a cyclic number.

It is not a de Polignac number, because 3112504145 - 2²⁰ = 3111455569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3112504147) 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, 311250410 + ... + 311250419.

It is an arithmetic number, because the mean of its divisors is an integer number (933751245).

Almost surely, 2^3112504145 is an apocalyptic number.

It is an amenable number.

3112504145 is a deficient number, since it is larger than the sum of its proper divisors (622500835).

3112504145 is an equidigital number, since it uses as much as digits as its factorization.

3112504145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622500834.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 3112504145 is about 55789.8211594194. The cubic root of 3112504145 is about 1460.0575671615.

Adding to 3112504145 its reverse (5414052113), we get a palindrome (8526556258).

The spelling of 3112504145 in words is "three billion, one hundred twelve million, five hundred four thousand, one hundred forty-five".