131350040423 has 4 divisors (see below), whose sum is σ = 150114331920. Its totient is φ = 112585748928.

The previous prime is 131350040369. The next prime is 131350040461. The reversal of 131350040423 is 324040053131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324040053131 = 157 ⋅2063949383.

It is a cyclic number.

It is not a de Polignac number, because 131350040423 - 2¹² = 131350036327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131350040392 and 131350040401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131350040123) 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, 9382145738 + ... + 9382145751.

It is an arithmetic number, because the mean of its divisors is an integer number (37528582980).

Almost surely, 2^131350040423 is an apocalyptic number.

131350040423 is a deficient number, since it is larger than the sum of its proper divisors (18764291497).

131350040423 is an equidigital number, since it uses as much as digits as its factorization.

131350040423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764291496.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 131350040423 its reverse (324040053131), we get a palindrome (455390093554).

The spelling of 131350040423 in words is "one hundred thirty-one billion, three hundred fifty million, forty thousand, four hundred twenty-three".