131023101111 has 48 divisors (see below), whose sum is σ = 203976882144. Its totient is φ = 74591870976.

The previous prime is 131023101089. The next prime is 131023101149. The reversal of 131023101111 is 111101320131.

It is not a de Polignac number, because 131023101111 - 2¹⁴ = 131023084727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131023101611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77207815 + ... + 77209511.

It is an arithmetic number, because the mean of its divisors is an integer number (4249518378).

Almost surely, 2^131023101111 is an apocalyptic number.

131023101111 is a deficient number, since it is larger than the sum of its proper divisors (72953781033).

131023101111 is a wasteful number, since it uses less digits than its factorization.

131023101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3353 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 131023101111 its reverse (111101320131), we get a palindrome (242124421242).

The spelling of 131023101111 in words is "one hundred thirty-one billion, twenty-three million, one hundred one thousand, one hundred eleven".