131330311033 has 4 divisors (see below), whose sum is σ = 132288926580. Its totient is φ = 130371695488.

The previous prime is 131330311001. The next prime is 131330311037. The reversal of 131330311033 is 330113033131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104556515904 + 26773795129 = 323352^2 + 163627^2 .

It is a cyclic number.

It is not a de Polignac number, because 131330311033 - 2⁵ = 131330311001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131330310995 and 131330311013.

It is not an unprimeable number, because it can be changed into a prime (131330311037) 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, 479307568 + ... + 479307841.

It is an arithmetic number, because the mean of its divisors is an integer number (33072231645).

Almost surely, 2^131330311033 is an apocalyptic number.

It is an amenable number.

131330311033 is a deficient number, since it is larger than the sum of its proper divisors (958615547).

131330311033 is an equidigital number, since it uses as much as digits as its factorization.

131330311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958615546.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 131330311033 its reverse (330113033131), we get a palindrome (461443344164).

The spelling of 131330311033 in words is "one hundred thirty-one billion, three hundred thirty million, three hundred eleven thousand, thirty-three".