1002431012441 has 2 divisors, whose sum is σ = 1002431012442. Its totient is φ = 1002431012440.

The previous prime is 1002431012413. The next prime is 1002431012447. The reversal of 1002431012441 is 1442101342001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1000392038416 + 2038974025 = 1000196^2 + 45155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002431012441 - 2⁶ = 1002431012377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1002431012447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501215506220 + 501215506221.

It is an arithmetic number, because the mean of its divisors is an integer number (501215506221).

Almost surely, 2^{1002431012441} is an apocalyptic number.

It is an amenable number.

1002431012441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002431012441 is an equidigital number, since it uses as much as digits as its factorization.

1002431012441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1002431012441 its reverse (1442101342001), we get a palindrome (2444532354442).

The spelling of 1002431012441 in words is "one trillion, two billion, four hundred thirty-one million, twelve thousand, four hundred forty-one".