131373126363 has 4 divisors (see below), whose sum is σ = 175164168488. Its totient is φ = 87582084240.

The previous prime is 131373126317. The next prime is 131373126389. The reversal of 131373126363 is 363621373131.

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

It is not a de Polignac number, because 131373126363 - 2⁸ = 131373126107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131373026363) 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, 21895521058 + ... + 21895521063.

It is an arithmetic number, because the mean of its divisors is an integer number (43791042122).

Almost surely, 2^131373126363 is an apocalyptic number.

131373126363 is a deficient number, since it is larger than the sum of its proper divisors (43791042125).

131373126363 is an equidigital number, since it uses as much as digits as its factorization.

131373126363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43791042124.

The product of its digits is 122472, while the sum is 39.

Adding to 131373126363 its reverse (363621373131), we get a palindrome (494994499494).

The spelling of 131373126363 in words is "one hundred thirty-one billion, three hundred seventy-three million, one hundred twenty-six thousand, three hundred sixty-three".