131333031241 has 2 divisors, whose sum is σ = 131333031242. Its totient is φ = 131333031240.

The previous prime is 131333031233. The next prime is 131333031251. The reversal of 131333031241 is 142130333131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104274097225 + 27058934016 = 322915^2 + 164496^2 .

It is a cyclic number.

It is not a de Polignac number, because 131333031241 - 2³ = 131333031233 is a prime.

It is not a weakly prime, because it can be changed into another prime (131333031251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65666515620 + 65666515621.

It is an arithmetic number, because the mean of its divisors is an integer number (65666515621).

Almost surely, 2^131333031241 is an apocalyptic number.

It is an amenable number.

131333031241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131333031241 is an equidigital number, since it uses as much as digits as its factorization.

131333031241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 131333031241 its reverse (142130333131), we get a palindrome (273463364372).

The spelling of 131333031241 in words is "one hundred thirty-one billion, three hundred thirty-three million, thirty-one thousand, two hundred forty-one".