131301020023 has 16 divisors (see below), whose sum is σ = 140617310400. Its totient is φ = 122528588160.

The previous prime is 131301020017. The next prime is 131301020041. The reversal of 131301020023 is 320020103131.

It is a de Polignac number, because none of the positive numbers 2^k-131301020023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131301019979 and 131301020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131301020063) 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, 367243 + ... + 630451.

It is an arithmetic number, because the mean of its divisors is an integer number (8788581900).

Almost surely, 2^131301020023 is an apocalyptic number.

131301020023 is a deficient number, since it is larger than the sum of its proper divisors (9316290377).

131301020023 is an frugal number, since it uses more digits than its factorization.

131301020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263319 (or 263273 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 131301020023 its reverse (320020103131), we get a palindrome (451321123154).

The spelling of 131301020023 in words is "one hundred thirty-one billion, three hundred one million, twenty thousand, twenty-three".