131330220023 has 4 divisors (see below), whose sum is σ = 131333687400. Its totient is φ = 131326752648.

The previous prime is 131330220019. The next prime is 131330220061. The reversal of 131330220023 is 320022033131.

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 131330220023 - 2² = 131330220019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131330219977 and 131330220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330220523) 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, 1676240 + ... + 1752837.

It is an arithmetic number, because the mean of its divisors is an integer number (32833421850).

Almost surely, 2^131330220023 is an apocalyptic number.

131330220023 is a deficient number, since it is larger than the sum of its proper divisors (3467377).

131330220023 is an equidigital number, since it uses as much as digits as its factorization.

131330220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3467376.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 131330220023 its reverse (320022033131), we get a palindrome (451352253154).

The spelling of 131330220023 in words is "one hundred thirty-one billion, three hundred thirty million, two hundred twenty thousand, twenty-three".