131111030233 has 4 divisors (see below), whose sum is σ = 131132024320. Its totient is φ = 131090036148.

The previous prime is 131111030207. The next prime is 131111030243. The reversal of 131111030233 is 332030111131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332030111131 = 131 ⋅2534581001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131111030233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131111030233.

It is not an unprimeable number, because it can be changed into a prime (131111030243) 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, 10487673 + ... + 10500166.

It is an arithmetic number, because the mean of its divisors is an integer number (32783006080).

Almost surely, 2^131111030233 is an apocalyptic number.

It is an amenable number.

131111030233 is a deficient number, since it is larger than the sum of its proper divisors (20994087).

131111030233 is an equidigital number, since it uses as much as digits as its factorization.

131111030233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20994086.

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

Adding to 131111030233 its reverse (332030111131), we get a palindrome (463141141364).

The spelling of 131111030233 in words is "one hundred thirty-one billion, one hundred eleven million, thirty thousand, two hundred thirty-three".