1001323131103 has 2 divisors, whose sum is σ = 1001323131104. Its totient is φ = 1001323131102.

The previous prime is 1001323131079. The next prime is 1001323131119. The reversal of 1001323131103 is 3011313231001.

1001323131103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3011313231001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001323131103 - 2¹³ = 1001323122911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001323134103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500661565551 + 500661565552.

It is an arithmetic number, because the mean of its divisors is an integer number (500661565552).

Almost surely, 2^{1001323131103} is an apocalyptic number.

1001323131103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001323131103 is an equidigital number, since it uses as much as digits as its factorization.

1001323131103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1001323131103 its reverse (3011313231001), we get a palindrome (4012636362104).

The spelling of 1001323131103 in words is "one trillion, one billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred three".