1031001089 has 2 divisors, whose sum is σ = 1031001090. Its totient is φ = 1031001088.

The previous prime is 1031001079. The next prime is 1031001107. The reversal of 1031001089 is 9801001301.

1031001089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 987216400 + 43784689 = 31420^2 + 6617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031001089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515500544 + 515500545.

It is an arithmetic number, because the mean of its divisors is an integer number (515500545).

Almost surely, 2^1031001089 is an apocalyptic number.

It is an amenable number.

1031001089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031001089 is an equidigital number, since it uses as much as digits as its factorization.

1031001089 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 23.

The square root of 1031001089 is about 32109.2056737628. The cubic root of 1031001089 is about 1010.2287130313.

The spelling of 1031001089 in words is "one billion, thirty-one million, one thousand, eighty-nine".