1021303342513 has 2 divisors, whose sum is σ = 1021303342514. Its totient is φ = 1021303342512.

The previous prime is 1021303342471. The next prime is 1021303342547. The reversal of 1021303342513 is 3152433031201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 789295426929 + 232007915584 = 888423^2 + 481672^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021303342513 - 2¹³ = 1021303334321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021303342313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510651671256 + 510651671257.

It is an arithmetic number, because the mean of its divisors is an integer number (510651671257).

Almost surely, 2^{1021303342513} is an apocalyptic number.

It is an amenable number.

1021303342513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021303342513 is an equidigital number, since it uses as much as digits as its factorization.

1021303342513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 1021303342513 its reverse (3152433031201), we get a palindrome (4173736373714).

The spelling of 1021303342513 in words is "one trillion, twenty-one billion, three hundred three million, three hundred forty-two thousand, five hundred thirteen".