1113321311231 has 8 divisors (see below), whose sum is σ = 1137470004480. Its totient is φ = 1089191826648.

The previous prime is 1113321311213. The next prime is 1113321311233. The reversal of 1113321311231 is 1321131233111.

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

It is not a de Polignac number, because 1113321311231 - 2¹⁰ = 1113321310207 is a prime.

It is a super-2 number, since 2×1113321311231² (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 = 1113321311197 and 1113321311206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113321311233) 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, 4684961 + ... + 4916858.

It is an arithmetic number, because the mean of its divisors is an integer number (142183750560).

Almost surely, 2^{1113321311231} is an apocalyptic number.

1113321311231 is a deficient number, since it is larger than the sum of its proper divisors (24148693249).

1113321311231 is an equidigital number, since it uses as much as digits as its factorization.

1113321311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604333.

The product of its digits is 324, while the sum is 23.

Adding to 1113321311231 its reverse (1321131233111), we get a palindrome (2434452544342).

The spelling of 1113321311231 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, three hundred eleven thousand, two hundred thirty-one".