131020443023233 has 16 divisors (see below), whose sum is σ = 132265208750080. Its totient is φ = 129779046936000.

The previous prime is 131020443023209. The next prime is 131020443023297. The reversal of 131020443023233 is 332320344020131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131020443023233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131020443023195 and 131020443023204.

It is not an unprimeable number, because it can be changed into a prime (131020443123233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893038783 + ... + 893185483.

It is an arithmetic number, because the mean of its divisors is an integer number (8266575546880).

Almost surely, 2^{131020443023233} is an apocalyptic number.

It is an amenable number.

131020443023233 is a deficient number, since it is larger than the sum of its proper divisors (1244765726847).

131020443023233 is a wasteful number, since it uses less digits than its factorization.

131020443023233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158128.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 131020443023233 its reverse (332320344020131), we get a palindrome (463340787043364).

The spelling of 131020443023233 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, twenty-three thousand, two hundred thirty-three".