3128343767085 has 16 divisors (see below), whose sum is σ = 5222973942144. Its totient is φ = 1595908704192.

The previous prime is 3128343767071. The next prime is 3128343767117. The reversal of 3128343767085 is 5807673438213.

It is not a de Polignac number, because 3128343767085 - 2⁵ = 3128343767053 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533831202 + ... + 4533831891.

It is an arithmetic number, because the mean of its divisors is an integer number (326435871384).

Almost surely, 2^{3128343767085} is an apocalyptic number.

It is an amenable number.

3128343767085 is a deficient number, since it is larger than the sum of its proper divisors (2094630175059).

3128343767085 is a wasteful number, since it uses less digits than its factorization.

3128343767085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9067663124.

The product of its (nonzero) digits is 20321280, while the sum is 57.

The spelling of 3128343767085 in words is "three trillion, one hundred twenty-eight billion, three hundred forty-three million, seven hundred sixty-seven thousand, eighty-five".