1020110331013 has 2 divisors, whose sum is σ = 1020110331014. Its totient is φ = 1020110331012.

The previous prime is 1020110330927. The next prime is 1020110331059. The reversal of 1020110331013 is 3101330110201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893586418209 + 126523912804 = 945297^2 + 355702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020110331013 - 2³⁷ = 882671377541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020110301013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510055165506 + 510055165507.

It is an arithmetic number, because the mean of its divisors is an integer number (510055165507).

Almost surely, 2^{1020110331013} is an apocalyptic number.

It is an amenable number.

1020110331013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020110331013 is an equidigital number, since it uses as much as digits as its factorization.

1020110331013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1020110331013 its reverse (3101330110201), we get a palindrome (4121440441214).

The spelling of 1020110331013 in words is "one trillion, twenty billion, one hundred ten million, three hundred thirty-one thousand, thirteen".