111113131000 has 32 divisors (see below), whose sum is σ = 260004728880. Its totient is φ = 44445252000.

The previous prime is 111113130971. The next prime is 111113131001. The reversal of 111113131000 is 131311111.

It is a super-2 number, since 2×111113131000² (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 (111113131001) 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, 55555566 + ... + 55557565.

Almost surely, 2^111113131000 is an apocalyptic number.

111113131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111113131000 is an abundant number, since it is smaller than the sum of its proper divisors (148891597880).

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

111113131000 is a wasteful number, since it uses less digits than its factorization.

111113131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111113152 (or 111113138 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 111113131000 its reverse (131311111), we get a palindrome (111244442111).

The spelling of 111113131000 in words is "one hundred eleven billion, one hundred thirteen million, one hundred thirty-one thousand".