131111120233 has 8 divisors (see below), whose sum is σ = 132702990336. Its totient is φ = 129519541200.

The previous prime is 131111120221. The next prime is 131111120249. The reversal of 131111120233 is 332021111131.

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

It is a de Polignac number, because none of the positive numbers 2^k-131111120233 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 131111120233.

It is not an unprimeable number, because it can be changed into a prime (131111120333) 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, 914328 + ... + 1047958.

It is an arithmetic number, because the mean of its divisors is an integer number (16587873792).

Almost surely, 2^131111120233 is an apocalyptic number.

It is an amenable number.

131111120233 is a deficient number, since it is larger than the sum of its proper divisors (1591870103).

131111120233 is a wasteful number, since it uses less digits than its factorization.

131111120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145535.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 131111120233 its reverse (332021111131), we get a palindrome (463132231364).

The spelling of 131111120233 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred twenty thousand, two hundred thirty-three".