3681717331 has 2 divisors, whose sum is σ = 3681717332. Its totient is φ = 3681717330.

The previous prime is 3681717271. The next prime is 3681717373. The reversal of 3681717331 is 1337171863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3681717331 - 2¹⁵ = 3681684563 is a prime.

It is a super-2 number, since 2×3681717331² = 27110085010771527122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3681717731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840858665 + 1840858666.

It is an arithmetic number, because the mean of its divisors is an integer number (1840858666).

Almost surely, 2^3681717331 is an apocalyptic number.

3681717331 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681717331 is an equidigital number, since it uses as much as digits as its factorization.

3681717331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 3681717331 is about 60677.1565830173. The cubic root of 3681717331 is about 1544.1286486349.

The spelling of 3681717331 in words is "three billion, six hundred eighty-one million, seven hundred seventeen thousand, three hundred thirty-one".