1031020303073 has 2 divisors, whose sum is σ = 1031020303074. Its totient is φ = 1031020303072.

The previous prime is 1031020303021. The next prime is 1031020303121. The reversal of 1031020303073 is 3703030201301.

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., 1019469857344 + 11550445729 = 1009688^2 + 107473^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031020303073 - 2¹⁴ = 1031020286689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031020303013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515510151536 + 515510151537.

It is an arithmetic number, because the mean of its divisors is an integer number (515510151537).

Almost surely, 2^{1031020303073} is an apocalyptic number.

It is an amenable number.

1031020303073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031020303073 is an equidigital number, since it uses as much as digits as its factorization.

1031020303073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

Adding to 1031020303073 its reverse (3703030201301), we get a palindrome (4734050504374).

The spelling of 1031020303073 in words is "one trillion, thirty-one billion, twenty million, three hundred three thousand, seventy-three".