1020332312103 has 32 divisors (see below), whose sum is σ = 1578067912960. Its totient is φ = 581015877120.

The previous prime is 1020332312101. The next prime is 1020332312117. The reversal of 1020332312103 is 3012132330201.

It is not a de Polignac number, because 1020332312103 - 2¹ = 1020332312101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020332312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020332312101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15979378 + ... + 16043103.

It is an arithmetic number, because the mean of its divisors is an integer number (49314622280).

Almost surely, 2^{1020332312103} is an apocalyptic number.

1020332312103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020332312103 is a deficient number, since it is larger than the sum of its proper divisors (557735600857).

1020332312103 is a wasteful number, since it uses less digits than its factorization.

1020332312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32022559.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1020332312103 its reverse (3012132330201), we get a palindrome (4032464642304).

The spelling of 1020332312103 in words is "one trillion, twenty billion, three hundred thirty-two million, three hundred twelve thousand, one hundred three".