111103131131 has 8 divisors (see below), whose sum is σ = 111257166384. Its totient is φ = 110949160960.

The previous prime is 111103131119. The next prime is 111103131133. The reversal of 111103131131 is 131131301111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111103131131 - 2⁶ = 111103131067 is a prime.

It is a super-2 number, since 2×111103131131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111103131133) 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, 4103420 + ... + 4130406.

It is an arithmetic number, because the mean of its divisors is an integer number (13907145798).

Almost surely, 2^111103131131 is an apocalyptic number.

111103131131 is a deficient number, since it is larger than the sum of its proper divisors (154035253).

111103131131 is an equidigital number, since it uses as much as digits as its factorization.

111103131131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32541.

The product of its (nonzero) digits is 27, while the sum is 17.

Adding to 111103131131 its reverse (131131301111), we get a palindrome (242234432242).

The spelling of 111103131131 in words is "one hundred eleven billion, one hundred three million, one hundred thirty-one thousand, one hundred thirty-one".