131022204023 has 4 divisors (see below), whose sum is σ = 131326200288. Its totient is φ = 130718207760.

The previous prime is 131022204017. The next prime is 131022204059. The reversal of 131022204023 is 320402220131.

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

It is a cyclic number.

It is not a de Polignac number, because 131022204023 - 2⁶ = 131022203959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131022203986 and 131022204004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131022204223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151997486 + ... + 151998347.

It is an arithmetic number, because the mean of its divisors is an integer number (32831550072).

Almost surely, 2^131022204023 is an apocalyptic number.

131022204023 is a deficient number, since it is larger than the sum of its proper divisors (303996265).

131022204023 is an equidigital number, since it uses as much as digits as its factorization.

131022204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303996264.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 131022204023 its reverse (320402220131), we get a palindrome (451424424154).

The spelling of 131022204023 in words is "one hundred thirty-one billion, twenty-two million, two hundred four thousand, twenty-three".