1031003231009 has 2 divisors, whose sum is σ = 1031003231010. Its totient is φ = 1031003231008.

The previous prime is 1031003230997. The next prime is 1031003231039. The reversal of 1031003231009 is 9001323001301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692689998400 + 338313232609 = 832280^2 + 581647^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031003231009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031003231039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515501615504 + 515501615505.

It is an arithmetic number, because the mean of its divisors is an integer number (515501615505).

Almost surely, 2^{1031003231009} is an apocalyptic number.

It is an amenable number.

1031003231009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031003231009 is an equidigital number, since it uses as much as digits as its factorization.

1031003231009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 1031003231009 in words is "one trillion, thirty-one billion, three million, two hundred thirty-one thousand, nine".