131455212241 has 2 divisors, whose sum is σ = 131455212242. Its totient is φ = 131455212240.

The previous prime is 131455212209. The next prime is 131455212269. The reversal of 131455212241 is 142212554131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78153793600 + 53301418641 = 279560^2 + 230871^2 .

It is a cyclic number.

It is not a de Polignac number, because 131455212241 - 2⁵ = 131455212209 is a prime.

It is not a weakly prime, because it can be changed into another prime (131455212541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65727606120 + 65727606121.

It is an arithmetic number, because the mean of its divisors is an integer number (65727606121).

Almost surely, 2^131455212241 is an apocalyptic number.

It is an amenable number.

131455212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131455212241 is an equidigital number, since it uses as much as digits as its factorization.

131455212241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

Adding to 131455212241 its reverse (142212554131), we get a palindrome (273667766372).

The spelling of 131455212241 in words is "one hundred thirty-one billion, four hundred fifty-five million, two hundred twelve thousand, two hundred forty-one".