1020231330289 has 2 divisors, whose sum is σ = 1020231330290. Its totient is φ = 1020231330288.

The previous prime is 1020231330193. The next prime is 1020231330311. The reversal of 1020231330289 is 9820331320201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710446694400 + 309784635889 = 842880^2 + 556583^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020231330289 - 2⁷ = 1020231330161 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020231330889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115665144 + 510115665145.

It is an arithmetic number, because the mean of its divisors is an integer number (510115665145).

Almost surely, 2^{1020231330289} is an apocalyptic number.

It is an amenable number.

1020231330289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020231330289 is an equidigital number, since it uses as much as digits as its factorization.

1020231330289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 1020231330289 in words is "one trillion, twenty billion, two hundred thirty-one million, three hundred thirty thousand, two hundred eighty-nine".