3128315939105 has 16 divisors (see below), whose sum is σ = 4290389226624. Its totient is φ = 2145067246080.

The previous prime is 3128315939057. The next prime is 3128315939107. The reversal of 3128315939105 is 5019395138213.

It is a happy number.

It is not a de Polignac number, because 3128315939105 - 2²⁰ = 3128314890529 is a prime.

It is a super-2 number, since 2×3128315939105² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3128315939107) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 115376 + ... + 2503985.

It is an arithmetic number, because the mean of its divisors is an integer number (268149326664).

Almost surely, 2^{3128315939105} is an apocalyptic number.

3128315939105 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3128315939105 is a deficient number, since it is larger than the sum of its proper divisors (1162073287519).

3128315939105 is a wasteful number, since it uses less digits than its factorization.

3128315939105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653496.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 3128315939105 in words is "three trillion, one hundred twenty-eight billion, three hundred fifteen million, nine hundred thirty-nine thousand, one hundred five".