131401312423 has 4 divisors (see below), whose sum is σ = 132207455608. Its totient is φ = 130595169240.

The previous prime is 131401312411. The next prime is 131401312577. The reversal of 131401312423 is 324213104131.

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 131401312423 - 2¹³ = 131401304231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131401612423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403071348 + ... + 403071673.

It is an arithmetic number, because the mean of its divisors is an integer number (33051863902).

Almost surely, 2^131401312423 is an apocalyptic number.

131401312423 is a deficient number, since it is larger than the sum of its proper divisors (806143185).

131401312423 is an equidigital number, since it uses as much as digits as its factorization.

131401312423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806143184.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 131401312423 its reverse (324213104131), we get a palindrome (455614416554).

The spelling of 131401312423 in words is "one hundred thirty-one billion, four hundred one million, three hundred twelve thousand, four hundred twenty-three".