131023100111 has 16 divisors (see below), whose sum is σ = 139621573728. Its totient is φ = 122524876800.

The previous prime is 131023100107. The next prime is 131023100113. The reversal of 131023100111 is 111001320131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131023100111 - 2² = 131023100107 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 (131023100113) 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, 3529316 + ... + 3566246.

It is an arithmetic number, because the mean of its divisors is an integer number (8726348358).

Almost surely, 2^131023100111 is an apocalyptic number.

131023100111 is a deficient number, since it is larger than the sum of its proper divisors (8598473617).

131023100111 is a wasteful number, since it uses less digits than its factorization.

131023100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38282.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 131023100111 its reverse (111001320131), we get a palindrome (242024420242).

The spelling of 131023100111 in words is "one hundred thirty-one billion, twenty-three million, one hundred thousand, one hundred eleven".