131133310111 has 4 divisors (see below), whose sum is σ = 131161692424. Its totient is φ = 131104927800.

The previous prime is 131133310093. The next prime is 131133310153. The reversal of 131133310111 is 111013331131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111013331131 = 521 ⋅213077411.

It is a cyclic number.

It is not a de Polignac number, because 131133310111 - 2¹¹ = 131133308063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133310411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14184225 + ... + 14193466.

It is an arithmetic number, because the mean of its divisors is an integer number (32790423106).

Almost surely, 2^131133310111 is an apocalyptic number.

131133310111 is a deficient number, since it is larger than the sum of its proper divisors (28382313).

131133310111 is an equidigital number, since it uses as much as digits as its factorization.

131133310111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28382312.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 131133310111 its reverse (111013331131), we get a palindrome (242146641242).

The spelling of 131133310111 in words is "one hundred thirty-one billion, one hundred thirty-three million, three hundred ten thousand, one hundred eleven".