131432301421 has 2 divisors, whose sum is σ = 131432301422. Its totient is φ = 131432301420.

The previous prime is 131432301353. The next prime is 131432301437. The reversal of 131432301421 is 124103234131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116666649225 + 14765652196 = 341565^2 + 121514^2 .

It is a cyclic number.

It is not a de Polignac number, because 131432301421 - 2⁷ = 131432301293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131432361421) 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, 65716150710 + 65716150711.

It is an arithmetic number, because the mean of its divisors is an integer number (65716150711).

Almost surely, 2^131432301421 is an apocalyptic number.

It is an amenable number.

131432301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

131432301421 is an equidigital number, since it uses as much as digits as its factorization.

131432301421 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 131432301421 its reverse (124103234131), we get a palindrome (255535535552).

The spelling of 131432301421 in words is "one hundred thirty-one billion, four hundred thirty-two million, three hundred one thousand, four hundred twenty-one".