3117440081 has 8 divisors (see below), whose sum is σ = 3563457600. Its totient is φ = 2671589808.

The previous prime is 3117440063. The next prime is 3117440087. The reversal of 3117440081 is 1800447113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3117440081 - 2²² = 3113245777 is a prime.

It is a super-2 number, since 2×3117440081² = 19436865317250573122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3117440087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 78968.

It is an arithmetic number, because the mean of its divisors is an integer number (445432200).

Almost surely, 2^3117440081 is an apocalyptic number.

It is an amenable number.

3117440081 is a deficient number, since it is larger than the sum of its proper divisors (446017519).

3117440081 is an equidigital number, since it uses as much as digits as its factorization.

3117440081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83623.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3117440081 is about 55834.0405218895. The cubic root of 3117440081 is about 1460.8289658102.

Adding to 3117440081 its reverse (1800447113), we get a palindrome (4917887194).

The spelling of 3117440081 in words is "three billion, one hundred seventeen million, four hundred forty thousand, eighty-one".