131120120233 has 16 divisors (see below), whose sum is σ = 142264820880. Its totient is φ = 120358656000.

The previous prime is 131120120231. The next prime is 131120120251. The reversal of 131120120233 is 332021021131.

It can be written as a sum of positive squares in 8 ways, for example, as 739187344 + 130380932889 = 27188^2 + 361083^2 .

It is a cyclic number.

It is not a de Polignac number, because 131120120233 - 2¹ = 131120120231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131120120233.

It is not an unprimeable number, because it can be changed into a prime (131120120231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272303 + ... + 2329291.

It is an arithmetic number, because the mean of its divisors is an integer number (8891551305).

Almost surely, 2^131120120233 is an apocalyptic number.

It is an amenable number.

131120120233 is a deficient number, since it is larger than the sum of its proper divisors (11144700647).

131120120233 is a wasteful number, since it uses less digits than its factorization.

131120120233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60348.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131120120233 its reverse (332021021131), we get a palindrome (463141141364).

The spelling of 131120120233 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred twenty thousand, two hundred thirty-three".