11112231100031 has 8 divisors (see below), whose sum is σ = 11766036399264. Its totient is φ = 10458441872640.

The previous prime is 11112231099919. The next prime is 11112231100049. The reversal of 11112231100031 is 13000113221111.

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 11112231100031 - 2¹⁴ = 11112231083647 is a prime.

It is a super-2 number, since 2×11112231100031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 11112231099982 and 11112231100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112231100931) 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, 2579750 + ... + 5373971.

It is an arithmetic number, because the mean of its divisors is an integer number (1470754549908).

Almost surely, 2^{11112231100031} is an apocalyptic number.

11112231100031 is a deficient number, since it is larger than the sum of its proper divisors (653805299233).

11112231100031 is an equidigital number, since it uses as much as digits as its factorization.

11112231100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8035921.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 11112231100031 its reverse (13000113221111), we get a palindrome (24112344321142).

The spelling of 11112231100031 in words is "eleven trillion, one hundred twelve billion, two hundred thirty-one million, one hundred thousand, thirty-one".