111031013313231 has 16 divisors (see below), whose sum is σ = 161501445799680. Its totient is φ = 67290777357120.

The previous prime is 111031013313203. The next prime is 111031013313289. The reversal of 111031013313231 is 132313310130111.

It is not a de Polignac number, because 111031013313231 - 2¹⁰ = 111031013312207 is a prime.

It is a super-2 number, since 2×111031013313231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111031013313431) 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, 15616870 + ... + 21585843.

It is an arithmetic number, because the mean of its divisors is an integer number (10093840362480).

Almost surely, 2^{111031013313231} is an apocalyptic number.

111031013313231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111031013313231 is a deficient number, since it is larger than the sum of its proper divisors (50470432486449).

111031013313231 is a wasteful number, since it uses less digits than its factorization.

111031013313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37293166.

The product of its (nonzero) digits is 486, while the sum is 24.

Adding to 111031013313231 its reverse (132313310130111), we get a palindrome (243344323443342).

The spelling of 111031013313231 in words is "one hundred eleven trillion, thirty-one billion, thirteen million, three hundred thirteen thousand, two hundred thirty-one".