111313131233 has 16 divisors (see below), whose sum is σ = 118660101120. Its totient is φ = 104056646400.

The previous prime is 111313131221. The next prime is 111313131247. The reversal of 111313131233 is 332131313111.

It is not a de Polignac number, because 111313131233 - 2⁴ = 111313131217 is a prime.

It is a super-2 number, since 2×111313131233² (a number of 23 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 = 111313131199 and 111313131208.

It is not an unprimeable number, because it can be changed into a prime (111313133233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2113763 + ... + 2165783.

It is an arithmetic number, because the mean of its divisors is an integer number (7416256320).

Almost surely, 2^111313131233 is an apocalyptic number.

It is an amenable number.

111313131233 is a deficient number, since it is larger than the sum of its proper divisors (7346969887).

111313131233 is a wasteful number, since it uses less digits than its factorization.

111313131233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52888.

The product of its digits is 486, while the sum is 23.

Adding to 111313131233 its reverse (332131313111), we get a palindrome (443444444344).

The spelling of 111313131233 in words is "one hundred eleven billion, three hundred thirteen million, one hundred thirty-one thousand, two hundred thirty-three".