3116481397 has 2 divisors, whose sum is σ = 3116481398. Its totient is φ = 3116481396.

The previous prime is 3116481391. The next prime is 3116481409. The reversal of 3116481397 is 7931846113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918352401 + 1198128996 = 43799^2 + 34614^2 .

It is a cyclic number.

It is not a de Polignac number, because 3116481397 - 2¹¹ = 3116479349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3116481391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558240698 + 1558240699.

It is an arithmetic number, because the mean of its divisors is an integer number (1558240699).

Almost surely, 2^3116481397 is an apocalyptic number.

It is an amenable number.

3116481397 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116481397 is an equidigital number, since it uses as much as digits as its factorization.

3116481397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 3116481397 is about 55825.4547406468. The cubic root of 3116481397 is about 1460.6792043709.

The spelling of 3116481397 in words is "three billion, one hundred sixteen million, four hundred eighty-one thousand, three hundred ninety-seven".