111313131100 has 18 divisors (see below), whose sum is σ = 241549494704. Its totient is φ = 44525252400.

The previous prime is 111313131049. The next prime is 111313131107. The reversal of 111313131100 is 1131313111.

It is a super-2 number, since 2×111313131100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111313131107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556565556 + ... + 556565755.

Almost surely, 2^111313131100 is an apocalyptic number.

111313131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111313131100 is an abundant number, since it is smaller than the sum of its proper divisors (130236363604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111313131100 is a wasteful number, since it uses less digits than its factorization.

111313131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113131325 (or 1113131318 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 111313131100 its reverse (1131313111), we get a palindrome (112444444211).

The spelling of 111313131100 in words is "one hundred eleven billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred".