131101111422 has 12 divisors (see below), whose sum is σ = 284052408120. Its totient is φ = 43700370468.

The previous prime is 131101111387. The next prime is 131101111423. The reversal of 131101111422 is 224111101131.

131101111422 is a `hidden beast` number, since 1 + 31 + 101 + 111 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7283395079 = 131101111422 / (1 + 3 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 4 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 131101111395 and 131101111404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131101111423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3641697522 + ... + 3641697557.

It is an arithmetic number, because the mean of its divisors is an integer number (23671034010).

Almost surely, 2^131101111422 is an apocalyptic number.

131101111422 is an abundant number, since it is smaller than the sum of its proper divisors (152951296698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131101111422 is a wasteful number, since it uses less digits than its factorization.

131101111422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283395087 (or 7283395084 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 131101111422 its reverse (224111101131), we get a palindrome (355212212553).

The spelling of 131101111422 in words is "one hundred thirty-one billion, one hundred one million, one hundred eleven thousand, four hundred twenty-two".