111302110031231 has 8 divisors (see below), whose sum is σ = 130160607080064. Its totient is φ = 93183161886360.

The previous prime is 111302110031227. The next prime is 111302110031237. The reversal of 111302110031231 is 132130011203111.

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

It is not a de Polignac number, because 111302110031231 - 2² = 111302110031227 is a prime.

It is a super-2 number, since 2×111302110031231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111302110031237) 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, 184887225665 + ... + 184887226266.

It is an arithmetic number, because the mean of its divisors is an integer number (16270075885008).

Almost surely, 2^{111302110031231} is an apocalyptic number.

111302110031231 is a deficient number, since it is larger than the sum of its proper divisors (18858497048833).

111302110031231 is an equidigital number, since it uses as much as digits as its factorization.

111302110031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369774451981.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111302110031231 its reverse (132130011203111), we get a palindrome (243432121234342).

The spelling of 111302110031231 in words is "one hundred eleven trillion, three hundred two billion, one hundred ten million, thirty-one thousand, two hundred thirty-one".