1941731317 has 2 divisors, whose sum is σ = 1941731318. Its totient is φ = 1941731316.

The previous prime is 1941731303. The next prime is 1941731339. The reversal of 1941731317 is 7131371491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1473484996 + 468246321 = 38386^2 + 21639^2 .

It is a cyclic number.

It is not a de Polignac number, because 1941731317 - 2¹¹ = 1941729269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1941731377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970865658 + 970865659.

It is an arithmetic number, because the mean of its divisors is an integer number (970865659).

Almost surely, 2^1941731317 is an apocalyptic number.

It is an amenable number.

1941731317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1941731317 is an equidigital number, since it uses as much as digits as its factorization.

1941731317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 37.

The square root of 1941731317 is about 44065.0804719565. The cubic root of 1941731317 is about 1247.5646057922.

The spelling of 1941731317 in words is "one billion, nine hundred forty-one million, seven hundred thirty-one thousand, three hundred seventeen".