1020321303 has 8 divisors (see below), whose sum is σ = 1368292848. Its totient is φ = 676281984.

The previous prime is 1020321293. The next prime is 1020321311. The reversal of 1020321303 is 3031230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020321303 - 2⁵ = 1020321271 is a prime.

It is a super-2 number, since 2×1020321303² = 2082111122711235618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020321373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982450 + ... + 983487.

It is an arithmetic number, because the mean of its divisors is an integer number (171036606).

Almost surely, 2^1020321303 is an apocalyptic number.

1020321303 is a deficient number, since it is larger than the sum of its proper divisors (347971545).

1020321303 is a wasteful number, since it uses less digits than its factorization.

1020321303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966113.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1020321303 is about 31942.4686428585. The cubic root of 1020321303 is about 1006.7283948352.

Adding to 1020321303 its reverse (3031230201), we get a palindrome (4051551504).

The spelling of 1020321303 in words is "one billion, twenty million, three hundred twenty-one thousand, three hundred three".