1331103023 has 2 divisors, whose sum is σ = 1331103024. Its totient is φ = 1331103022.

The previous prime is 1331103019. The next prime is 1331103031. The reversal of 1331103023 is 3203011331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1331103023 - 2² = 1331103019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1331102992 and 1331103010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1331103073) 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, 665551511 + 665551512.

It is an arithmetic number, because the mean of its divisors is an integer number (665551512).

Almost surely, 2^1331103023 is an apocalyptic number.

1331103023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331103023 is an equidigital number, since it uses as much as digits as its factorization.

1331103023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331103023 is about 36484.2846031000. The cubic root of 1331103023 is about 1100.0283802595.

Adding to 1331103023 its reverse (3203011331), we get a palindrome (4534114354).

The spelling of 1331103023 in words is "one billion, three hundred thirty-one million, one hundred three thousand, twenty-three".