131141324023421 has 2 divisors, whose sum is σ = 131141324023422. Its totient is φ = 131141324023420.

The previous prime is 131141324023361. The next prime is 131141324023487. The reversal of 131141324023421 is 124320423141131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73513716072196 + 57627607951225 = 8574014^2 + 7591285^2 .

It is a cyclic number.

It is not a de Polignac number, because 131141324023421 - 2³⁰ = 131140250281597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131141324023321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65570662011710 + 65570662011711.

It is an arithmetic number, because the mean of its divisors is an integer number (65570662011711).

Almost surely, 2^{131141324023421} is an apocalyptic number.

It is an amenable number.

131141324023421 is a deficient number, since it is larger than the sum of its proper divisors (1).

131141324023421 is an equidigital number, since it uses as much as digits as its factorization.

131141324023421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 131141324023421 its reverse (124320423141131), we get a palindrome (255461747164552).

The spelling of 131141324023421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred twenty-four million, twenty-three thousand, four hundred twenty-one".