1031214109 has 2 divisors, whose sum is σ = 1031214110. Its totient is φ = 1031214108.

The previous prime is 1031214091. The next prime is 1031214139. The reversal of 1031214109 is 9014121301.

Together with previous prime (1031214091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890127225 + 141086884 = 29835^2 + 11878^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031214109 - 2¹⁷ = 1031083037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1031214109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031214139) 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, 515607054 + 515607055.

It is an arithmetic number, because the mean of its divisors is an integer number (515607055).

Almost surely, 2^1031214109 is an apocalyptic number.

It is an amenable number.

1031214109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031214109 is an equidigital number, since it uses as much as digits as its factorization.

1031214109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 1031214109 is about 32112.5226196884. The cubic root of 1031214109 is about 1010.2982842805.

The spelling of 1031214109 in words is "one billion, thirty-one million, two hundred fourteen thousand, one hundred nine".