3113868445 has 4 divisors (see below), whose sum is σ = 3736642140. Its totient is φ = 2491094752.

The previous prime is 3113868437. The next prime is 3113868469. The reversal of 3113868445 is 5448683113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2291153956 + 822714489 = 47866^2 + 28683^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113868445 - 2³ = 3113868437 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311386840 + ... + 311386849.

It is an arithmetic number, because the mean of its divisors is an integer number (934160535).

Almost surely, 2^3113868445 is an apocalyptic number.

It is an amenable number.

3113868445 is a deficient number, since it is larger than the sum of its proper divisors (622773695).

3113868445 is an equidigital number, since it uses as much as digits as its factorization.

3113868445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622773694.

The product of its digits is 276480, while the sum is 43.

The square root of 3113868445 is about 55802.0469606627. The cubic root of 3113868445 is about 1460.2708643946.

The spelling of 3113868445 in words is "three billion, one hundred thirteen million, eight hundred sixty-eight thousand, four hundred forty-five".