11031020202331 has 8 divisors (see below), whose sum is σ = 11611711252800. Its totient is φ = 10450340255880.

The previous prime is 11031020202311. The next prime is 11031020202403. The reversal of 11031020202331 is 13320202013011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11031020202331 - 2¹¹ = 11031020200283 is a prime.

It is a super-2 number, since 2×11031020202331² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11031020202299 and 11031020202308.

It is not an unprimeable number, because it can be changed into a prime (11031020202311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696925 + ... + 4748446.

It is an arithmetic number, because the mean of its divisors is an integer number (1451463906600).

Almost surely, 2^{11031020202331} is an apocalyptic number.

11031020202331 is a deficient number, since it is larger than the sum of its proper divisors (580691050469).

11031020202331 is a wasteful number, since it uses less digits than its factorization.

11031020202331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552009.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 11031020202331 its reverse (13320202013011), we get a palindrome (24351222215342).

The spelling of 11031020202331 in words is "eleven trillion, thirty-one billion, twenty million, two hundred two thousand, three hundred thirty-one".