131332523503451 has 4 divisors (see below), whose sum is σ = 138244761582600. Its totient is φ = 124420285424304.

The previous prime is 131332523503421. The next prime is 131332523503457. The reversal of 131332523503451 is 154305325233131.

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 131332523503451 - 2¹⁸ = 131332523241307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131332523503399 and 131332523503408.

It is not an unprimeable number, because it can be changed into a prime (131332523503457) 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, 3456119039546 + ... + 3456119039583.

It is an arithmetic number, because the mean of its divisors is an integer number (34561190395650).

Almost surely, 2^{131332523503451} is an apocalyptic number.

131332523503451 is a deficient number, since it is larger than the sum of its proper divisors (6912238079149).

131332523503451 is an equidigital number, since it uses as much as digits as its factorization.

131332523503451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6912238079148.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 131332523503451 its reverse (154305325233131), we get a palindrome (285637848736582).

The spelling of 131332523503451 in words is "one hundred thirty-one trillion, three hundred thirty-two billion, five hundred twenty-three million, five hundred three thousand, four hundred fifty-one".