1010331109 has 2 divisors, whose sum is σ = 1010331110. Its totient is φ = 1010331108.

The previous prime is 1010331071. The next prime is 1010331149. The reversal of 1010331109 is 9011330101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 790846884 + 219484225 = 28122^2 + 14815^2 .

It is an emirp because it is prime and its reverse (9011330101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1010331109 - 2¹⁹ = 1009806821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010331149) 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, 505165554 + 505165555.

It is an arithmetic number, because the mean of its divisors is an integer number (505165555).

Almost surely, 2^1010331109 is an apocalyptic number.

It is an amenable number.

1010331109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010331109 is an equidigital number, since it uses as much as digits as its factorization.

1010331109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 1010331109 is about 31785.7060484741. The cubic root of 1010331109 is about 1003.4319115097.

The spelling of 1010331109 in words is "one billion, ten million, three hundred thirty-one thousand, one hundred nine".