31144134133241 has 2 divisors, whose sum is σ = 31144134133242. Its totient is φ = 31144134133240.

The previous prime is 31144134133193. The next prime is 31144134133249. The reversal of 31144134133241 is 14233143144113.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29305126923241 + 1839007210000 = 5413421^2 + 1356100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31144134133241 is a prime.

It is not a weakly prime, because it can be changed into another prime (31144134133249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15572067066620 + 15572067066621.

It is an arithmetic number, because the mean of its divisors is an integer number (15572067066621).

Almost surely, 2^{31144134133241} is an apocalyptic number.

It is an amenable number.

31144134133241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31144134133241 is an equidigital number, since it uses as much as digits as its factorization.

31144134133241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

Adding to 31144134133241 its reverse (14233143144113), we get a palindrome (45377277277354).

The spelling of 31144134133241 in words is "thirty-one trillion, one hundred forty-four billion, one hundred thirty-four million, one hundred thirty-three thousand, two hundred forty-one".