1113313110231 has 32 divisors (see below), whose sum is σ = 1734713856000. Its totient is φ = 634850499360.

The previous prime is 1113313110193. The next prime is 1113313110233. The reversal of 1113313110231 is 1320113133111.

It is not a de Polignac number, because 1113313110231 - 2⁹ = 1113313109719 is a prime.

It is a super-2 number, since 2×1113313110231² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1113313110198 and 1113313110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113313110233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636480 + ... + 1622261.

It is an arithmetic number, because the mean of its divisors is an integer number (54209808000).

Almost surely, 2^{1113313110231} is an apocalyptic number.

1113313110231 is a deficient number, since it is larger than the sum of its proper divisors (621400745769).

1113313110231 is an equidigital number, since it uses as much as digits as its factorization.

1113313110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259244 (or 2259230 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1113313110231 its reverse (1320113133111), we get a palindrome (2433426243342).

The spelling of 1113313110231 in words is "one trillion, one hundred thirteen billion, three hundred thirteen million, one hundred ten thousand, two hundred thirty-one".