131401213423 has 2 divisors, whose sum is σ = 131401213424. Its totient is φ = 131401213422.

The previous prime is 131401213393. The next prime is 131401213459. The reversal of 131401213423 is 324312104131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131401213423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131401213523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65700606711 + 65700606712.

It is an arithmetic number, because the mean of its divisors is an integer number (65700606712).

Almost surely, 2^131401213423 is an apocalyptic number.

131401213423 is a deficient number, since it is larger than the sum of its proper divisors (1).

131401213423 is an equidigital number, since it uses as much as digits as its factorization.

131401213423 is an odious number, because the sum of its binary digits is odd.

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

Adding to 131401213423 its reverse (324312104131), we get a palindrome (455713317554).

The spelling of 131401213423 in words is "one hundred thirty-one billion, four hundred one million, two hundred thirteen thousand, four hundred twenty-three".