11030311011023 has 4 divisors (see below), whose sum is σ = 11185667504208. Its totient is φ = 10874954517840.

The previous prime is 11030311011017. The next prime is 11030311011047. The reversal of 11030311011023 is 32011011303011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11030311011023 - 2²² = 11030306816719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11030311010992 and 11030311011010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030311011073) 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 in 3 ways as a sum of consecutive naturals, for example, 77678246486 + ... + 77678246627.

It is an arithmetic number, because the mean of its divisors is an integer number (2796416876052).

Almost surely, 2^{11030311011023} is an apocalyptic number.

11030311011023 is a deficient number, since it is larger than the sum of its proper divisors (155356493185).

11030311011023 is an equidigital number, since it uses as much as digits as its factorization.

11030311011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155356493184.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11030311011023 its reverse (32011011303011), we get a palindrome (43041322314034).

The spelling of 11030311011023 in words is "eleven trillion, thirty billion, three hundred eleven million, eleven thousand, twenty-three".