1023310000081 has 2 divisors, whose sum is σ = 1023310000082. Its totient is φ = 1023310000080.

The previous prime is 1023310000067. The next prime is 1023310000087. The reversal of 1023310000081 is 1800000133201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761109677056 + 262200323025 = 872416^2 + 512055^2 .

It is an emirp because it is prime and its reverse (1800000133201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023310000081 - 2²⁷ = 1023175782353 is a prime.

It is a super-2 number, since 2×1023310000081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023310000087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511655000040 + 511655000041.

It is an arithmetic number, because the mean of its divisors is an integer number (511655000041).

Almost surely, 2^{1023310000081} is an apocalyptic number.

It is an amenable number.

1023310000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023310000081 is an equidigital number, since it uses as much as digits as its factorization.

1023310000081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1023310000081 its reverse (1800000133201), we get a palindrome (2823310133282).

The spelling of 1023310000081 in words is "one trillion, twenty-three billion, three hundred ten million, eighty-one", and thus it is an aban number.