1031232103409 has 2 divisors, whose sum is σ = 1031232103410. Its totient is φ = 1031232103408.

The previous prime is 1031232103399. The next prime is 1031232103423. The reversal of 1031232103409 is 9043012321301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 598925853409 + 432306250000 = 773903^2 + 657500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031232103409 - 2¹⁶ = 1031232037873 is a prime.

It is a super-2 number, since 2×1031232103409² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1031232103469) 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, 515616051704 + 515616051705.

It is an arithmetic number, because the mean of its divisors is an integer number (515616051705).

Almost surely, 2^{1031232103409} is an apocalyptic number.

It is an amenable number.

1031232103409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031232103409 is an equidigital number, since it uses as much as digits as its factorization.

1031232103409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 1031232103409 in words is "one trillion, thirty-one billion, two hundred thirty-two million, one hundred three thousand, four hundred nine".