3117347817 has 32 divisors (see below), whose sum is σ = 4549893120. Its totient is φ = 1889986560.

The previous prime is 3117347813. The next prime is 3117347819. The reversal of 3117347817 is 7187437113.

It is not a de Polignac number, because 3117347817 - 2² = 3117347813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3117347813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1505659 + ... + 1507727.

It is an arithmetic number, because the mean of its divisors is an integer number (142184160).

Almost surely, 2^3117347817 is an apocalyptic number.

It is an amenable number.

3117347817 is a deficient number, since it is larger than the sum of its proper divisors (1432545303).

3117347817 is a wasteful number, since it uses less digits than its factorization.

3117347817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 98784, while the sum is 42.

The square root of 3117347817 is about 55833.2142814651. The cubic root of 3117347817 is about 1460.8145540653.

The spelling of 3117347817 in words is "three billion, one hundred seventeen million, three hundred forty-seven thousand, eight hundred seventeen".