1020330312303 has 16 divisors (see below), whose sum is σ = 1377654759936. Its totient is φ = 671645579520.

The previous prime is 1020330312263. The next prime is 1020330312341. The reversal of 1020330312303 is 3032130330201.

1020330312303 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-1020330312303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020330312303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020330312343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3942201 + ... + 4193042.

It is an arithmetic number, because the mean of its divisors is an integer number (86103422496).

Almost surely, 2^{1020330312303} is an apocalyptic number.

1020330312303 is a deficient number, since it is larger than the sum of its proper divisors (357324447633).

1020330312303 is an equidigital number, since it uses as much as digits as its factorization.

1020330312303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8135774.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1020330312303 its reverse (3032130330201), we get a palindrome (4052460642504).

The spelling of 1020330312303 in words is "one trillion, twenty billion, three hundred thirty million, three hundred twelve thousand, three hundred three".