3105946432513 has 4 divisors (see below), whose sum is σ = 3105990910548. Its totient is φ = 3105901954480.

The previous prime is 3105946432487. The next prime is 3105946432529. The reversal of 3105946432513 is 3152346495013.

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 1410802323984 + 1695144108529 = 1187772^2 + 1301977^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105946432513 - 2⁴¹ = 906923176961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3105946432553) 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, 22134106 + ... + 22273987.

It is an arithmetic number, because the mean of its divisors is an integer number (776497727637).

Almost surely, 2^{3105946432513} is an apocalyptic number.

It is an amenable number.

3105946432513 is a deficient number, since it is larger than the sum of its proper divisors (44478035).

3105946432513 is an equidigital number, since it uses as much as digits as its factorization.

3105946432513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44478034.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 3105946432513 in words is "three trillion, one hundred five billion, nine hundred forty-six million, four hundred thirty-two thousand, five hundred thirteen".