10660031309 has 2 divisors, whose sum is σ = 10660031310. Its totient is φ = 10660031308.

The previous prime is 10660031299. The next prime is 10660031383. The reversal of 10660031309 is 90313006601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5569636900 + 5090394409 = 74630^2 + 71347^2 .

It is a cyclic number.

It is not a de Polignac number, because 10660031309 - 2⁴ = 10660031293 is a prime.

It is a super-2 number, since 2×10660031309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10660031009) 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, 5330015654 + 5330015655.

It is an arithmetic number, because the mean of its divisors is an integer number (5330015655).

Almost surely, 2^10660031309 is an apocalyptic number.

It is an amenable number.

10660031309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10660031309 is an equidigital number, since it uses as much as digits as its factorization.

10660031309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 10660031309 in words is "ten billion, six hundred sixty million, thirty-one thousand, three hundred nine".