11101113303231 has 32 divisors (see below), whose sum is σ = 17262212032000. Its totient is φ = 6343123711680.

The previous prime is 11101113303211. The next prime is 11101113303359. The reversal of 11101113303231 is 13230331110111.

11101113303231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11101113303231 - 2⁶ = 11101113303167 is a prime.

It is a super-2 number, since 2×11101113303231² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101113303198 and 11101113303207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101113303211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17865651 + ... + 18476571.

It is an arithmetic number, because the mean of its divisors is an integer number (539444126000).

Almost surely, 2^{11101113303231} is an apocalyptic number.

11101113303231 is a deficient number, since it is larger than the sum of its proper divisors (6161098728769).

11101113303231 is an equidigital number, since it uses as much as digits as its factorization.

11101113303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628604 (or 628590 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11101113303231 its reverse (13230331110111), we get a palindrome (24331444413342).

The spelling of 11101113303231 in words is "eleven trillion, one hundred one billion, one hundred thirteen million, three hundred three thousand, two hundred thirty-one".