3031312045 has 4 divisors (see below), whose sum is σ = 3637574460. Its totient is φ = 2425049632.

The previous prime is 3031312019. The next prime is 3031312057. The reversal of 3031312045 is 5402131303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5402131303 = 389 ⋅13887227.

It can be written as a sum of positive squares in 2 ways, for example, as 1602320841 + 1428991204 = 40029^2 + 37802^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031312045 - 2¹³ = 3031303853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303131200 + ... + 303131209.

It is an arithmetic number, because the mean of its divisors is an integer number (909393615).

Almost surely, 2^3031312045 is an apocalyptic number.

It is an amenable number.

3031312045 is a deficient number, since it is larger than the sum of its proper divisors (606262415).

3031312045 is an equidigital number, since it uses as much as digits as its factorization.

3031312045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606262414.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3031312045 is about 55057.3523246442. The cubic root of 3031312045 is about 1447.2499672038.

Adding to 3031312045 its reverse (5402131303), we get a palindrome (8433443348).

The spelling of 3031312045 in words is "three billion, thirty-one million, three hundred twelve thousand, forty-five".