1112313213231 has 8 divisors (see below), whose sum is σ = 1617910128384. Its totient is φ = 674129220120.

The previous prime is 1112313213217. The next prime is 1112313213251. The reversal of 1112313213231 is 1323123132111.

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

It is not a de Polignac number, because 1112313213231 - 2⁵ = 1112313213199 is a prime.

It is a super-2 number, since 2×1112313213231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112313213251) 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 7 ways as a sum of consecutive naturals, for example, 16853230471 + ... + 16853230536.

It is an arithmetic number, because the mean of its divisors is an integer number (202238766048).

Almost surely, 2^{1112313213231} is an apocalyptic number.

1112313213231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1112313213231 is a deficient number, since it is larger than the sum of its proper divisors (505596915153).

1112313213231 is a wasteful number, since it uses less digits than its factorization.

1112313213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33706461021.

The product of its digits is 648, while the sum is 24.

Adding to 1112313213231 its reverse (1323123132111), we get a palindrome (2435436345342).

The spelling of 1112313213231 in words is "one trillion, one hundred twelve billion, three hundred thirteen million, two hundred thirteen thousand, two hundred thirty-one".