3117252831071 has 4 divisors (see below), whose sum is σ = 3117289192392. Its totient is φ = 3117216469752.

The previous prime is 3117252831053. The next prime is 3117252831221. The reversal of 3117252831071 is 1701382527113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3117252831071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117252831001) 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, 18051761 + ... + 18223626.

It is an arithmetic number, because the mean of its divisors is an integer number (779322298098).

Almost surely, 2^{3117252831071} is an apocalyptic number.

3117252831071 is a deficient number, since it is larger than the sum of its proper divisors (36361321).

3117252831071 is an equidigital number, since it uses as much as digits as its factorization.

3117252831071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36361320.

The product of its (nonzero) digits is 70560, while the sum is 41.

The spelling of 3117252831071 in words is "three trillion, one hundred seventeen billion, two hundred fifty-two million, eight hundred thirty-one thousand, seventy-one".