1020341303 has 4 divisors (see below), whose sum is σ = 1023369360. Its totient is φ = 1017313248.

The previous prime is 1020341243. The next prime is 1020341321. The reversal of 1020341303 is 3031430201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020341303 - 2⁶ = 1020341239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020341383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513523 + ... + 1514196.

It is an arithmetic number, because the mean of its divisors is an integer number (255842340).

Almost surely, 2^1020341303 is an apocalyptic number.

1020341303 is a deficient number, since it is larger than the sum of its proper divisors (3028057).

1020341303 is an equidigital number, since it uses as much as digits as its factorization.

1020341303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028056.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1020341303 is about 31942.7817041660. The cubic root of 1020341303 is about 1006.7349726443.

Adding to 1020341303 its reverse (3031430201), we get a palindrome (4051771504).

The spelling of 1020341303 in words is "one billion, twenty million, three hundred forty-one thousand, three hundred three".