1020311329 has 2 divisors, whose sum is σ = 1020311330. Its totient is φ = 1020311328.

The previous prime is 1020311317. The next prime is 1020311333. The reversal of 1020311329 is 9231130201.

1020311329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1004890000 + 15421329 = 31700^2 + 3927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020311329 - 2²⁹ = 483440417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020111329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510155664 + 510155665.

It is an arithmetic number, because the mean of its divisors is an integer number (510155665).

Almost surely, 2^1020311329 is an apocalyptic number.

It is an amenable number.

1020311329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020311329 is an equidigital number, since it uses as much as digits as its factorization.

1020311329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1020311329 is about 31942.3125180379. The cubic root of 1020311329 is about 1006.7251144497.

The spelling of 1020311329 in words is "one billion, twenty million, three hundred eleven thousand, three hundred twenty-nine".