1331760109 has 2 divisors, whose sum is σ = 1331760110. Its totient is φ = 1331760108.

The previous prime is 1331760071. The next prime is 1331760119. The reversal of 1331760109 is 9010671331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1310802025 + 20958084 = 36205^2 + 4578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331760109 - 2¹¹ = 1331758061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331760119) 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, 665880054 + 665880055.

It is an arithmetic number, because the mean of its divisors is an integer number (665880055).

Almost surely, 2^1331760109 is an apocalyptic number.

It is an amenable number.

1331760109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331760109 is an equidigital number, since it uses as much as digits as its factorization.

1331760109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 1331760109 is about 36493.2885473480. The cubic root of 1331760109 is about 1100.2093565706.

The spelling of 1331760109 in words is "one billion, three hundred thirty-one million, seven hundred sixty thousand, one hundred nine".