1111310230231 has 4 divisors (see below), whose sum is σ = 1159628066352. Its totient is φ = 1062992394112.

The previous prime is 1111310230171. The next prime is 1111310230243. The reversal of 1111310230231 is 1320320131111.

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 1111310230231 - 2¹³ = 1111310222039 is a prime.

It is a super-2 number, since 2×1111310230231² (a number of 25 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 = 1111310230199 and 1111310230208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111310230271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24158918026 + ... + 24158918071.

It is an arithmetic number, because the mean of its divisors is an integer number (289907016588).

Almost surely, 2^{1111310230231} is an apocalyptic number.

1111310230231 is a deficient number, since it is larger than the sum of its proper divisors (48317836121).

1111310230231 is an equidigital number, since it uses as much as digits as its factorization.

1111310230231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48317836120.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1111310230231 its reverse (1320320131111), we get a palindrome (2431630361342).

The spelling of 1111310230231 in words is "one trillion, one hundred eleven billion, three hundred ten million, two hundred thirty thousand, two hundred thirty-one".