131210520051023 has 6 divisors (see below), whose sum is σ = 152632645773696. Its totient is φ = 112466160043692.

The previous prime is 131210520050993. The next prime is 131210520051043. The reversal of 131210520051023 is 320150025012131.

It is not a de Polignac number, because 131210520051023 - 2⁶ = 131210520050959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131210520050983 and 131210520051001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210520051043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1338882857615 + ... + 1338882857712.

It is an arithmetic number, because the mean of its divisors is an integer number (25438774295616).

Almost surely, 2^{131210520051023} is an apocalyptic number.

131210520051023 is a deficient number, since it is larger than the sum of its proper divisors (21422125722673).

131210520051023 is an equidigital number, since it uses as much as digits as its factorization.

131210520051023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677765715341 (or 2677765715334 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 131210520051023 its reverse (320150025012131), we get a palindrome (451360545063154).

The spelling of 131210520051023 in words is "one hundred thirty-one trillion, two hundred ten billion, five hundred twenty million, fifty-one thousand, twenty-three".