1303031041057 has 2 divisors, whose sum is σ = 1303031041058. Its totient is φ = 1303031041056.

The previous prime is 1303031041049. The next prime is 1303031041087. The reversal of 1303031041057 is 7501401303031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1236090345616 + 66940695441 = 1111796^2 + 258729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303031041057 - 2³ = 1303031041049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1303031041087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651515520528 + 651515520529.

It is an arithmetic number, because the mean of its divisors is an integer number (651515520529).

Almost surely, 2^{1303031041057} is an apocalyptic number.

It is an amenable number.

1303031041057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303031041057 is an equidigital number, since it uses as much as digits as its factorization.

1303031041057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

Adding to 1303031041057 its reverse (7501401303031), we get a palindrome (8804432344088).

The spelling of 1303031041057 in words is "one trillion, three hundred three billion, thirty-one million, forty-one thousand, fifty-seven".