131111321133 has 16 divisors (see below), whose sum is σ = 188302907520. Its totient is φ = 80666533824.

The previous prime is 131111321087. The next prime is 131111321137. The reversal of 131111321133 is 331123111131.

It is not a de Polignac number, because 131111321133 - 2³² = 126816353837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111321137) 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, 176766 + ... + 541727.

It is an arithmetic number, because the mean of its divisors is an integer number (11768931720).

Almost surely, 2^131111321133 is an apocalyptic number.

131111321133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131111321133 is a deficient number, since it is larger than the sum of its proper divisors (57191586387).

131111321133 is a wasteful number, since it uses less digits than its factorization.

131111321133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723188.

The product of its digits is 162, while the sum is 21.

Adding to 131111321133 its reverse (331123111131), we get a palindrome (462234432264).

The spelling of 131111321133 in words is "one hundred thirty-one billion, one hundred eleven million, three hundred twenty-one thousand, one hundred thirty-three".