131112222110231 has 8 divisors (see below), whose sum is σ = 144860562536544. Its totient is φ = 118034532436480.

The previous prime is 131112222110209. The next prime is 131112222110267. The reversal of 131112222110231 is 132011222211131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131112222110231 - 2³⁴ = 131095042241047 is a prime.

It is a super-2 number, since 2×131112222110231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131112222110197 and 131112222110206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112222110291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167662687730 + ... + 167662688511.

It is an arithmetic number, because the mean of its divisors is an integer number (18107570317068).

Almost surely, 2^{131112222110231} is an apocalyptic number.

131112222110231 is a deficient number, since it is larger than the sum of its proper divisors (13748340426313).

131112222110231 is a wasteful number, since it uses less digits than its factorization.

131112222110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335325376281.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 131112222110231 its reverse (132011222211131), we get a palindrome (263123444321362).

The spelling of 131112222110231 in words is "one hundred thirty-one trillion, one hundred twelve billion, two hundred twenty-two million, one hundred ten thousand, two hundred thirty-one".