11020031103331 has 4 divisors (see below), whose sum is σ = 11375515977664. Its totient is φ = 10664546229000.

The previous prime is 11020031103311. The next prime is 11020031103349. The reversal of 11020031103331 is 13330113002011.

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 11020031103331 - 2¹⁷ = 11020030972259 is a prime.

It is a super-2 number, since 2×11020031103331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11020031103299 and 11020031103308.

It is not an unprimeable number, because it can be changed into a prime (11020031103311) 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, 177742437120 + ... + 177742437181.

It is an arithmetic number, because the mean of its divisors is an integer number (2843878994416).

Almost surely, 2^{11020031103331} is an apocalyptic number.

11020031103331 is a deficient number, since it is larger than the sum of its proper divisors (355484874333).

11020031103331 is an equidigital number, since it uses as much as digits as its factorization.

11020031103331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355484874332.

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

Adding to 11020031103331 its reverse (13330113002011), we get a palindrome (24350144105342).

The spelling of 11020031103331 in words is "eleven trillion, twenty billion, thirty-one million, one hundred three thousand, three hundred thirty-one".