131033023111 has 4 divisors (see below), whose sum is σ = 131044008424. Its totient is φ = 131022037800.

The previous prime is 131033023091. The next prime is 131033023139. The reversal of 131033023111 is 111320330131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111320330131 = 283 ⋅393358057.

It is a cyclic number.

It is not a de Polignac number, because 131033023111 - 2⁹ = 131033022599 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 (131033023211) 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, 5474745 + ... + 5498626.

It is an arithmetic number, because the mean of its divisors is an integer number (32761002106).

Almost surely, 2^131033023111 is an apocalyptic number.

131033023111 is a deficient number, since it is larger than the sum of its proper divisors (10985313).

131033023111 is a wasteful number, since it uses less digits than its factorization.

131033023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10985312.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131033023111 its reverse (111320330131), we get a palindrome (242353353242).

The spelling of 131033023111 in words is "one hundred thirty-one billion, thirty-three million, twenty-three thousand, one hundred eleven".