131241314447 has 2 divisors, whose sum is σ = 131241314448. Its totient is φ = 131241314446.

The previous prime is 131241314437. The next prime is 131241314453. The reversal of 131241314447 is 744413142131.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (744413142131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131241314447 - 2²² = 131237120143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131241314437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65620657223 + 65620657224.

It is an arithmetic number, because the mean of its divisors is an integer number (65620657224).

Almost surely, 2^131241314447 is an apocalyptic number.

131241314447 is a deficient number, since it is larger than the sum of its proper divisors (1).

131241314447 is an equidigital number, since it uses as much as digits as its factorization.

131241314447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 35.

Adding to 131241314447 its reverse (744413142131), we get a palindrome (875654456578).

The spelling of 131241314447 in words is "one hundred thirty-one billion, two hundred forty-one million, three hundred fourteen thousand, four hundred forty-seven".