1020323133103 has 4 divisors (see below), whose sum is σ = 1021581238888. Its totient is φ = 1019065027320.

The previous prime is 1020323133097. The next prime is 1020323133143. The reversal of 1020323133103 is 3013313230201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020323133103 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 (1020323133143) 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, 629051676 + ... + 629053297.

It is an arithmetic number, because the mean of its divisors is an integer number (255395309722).

Almost surely, 2^{1020323133103} is an apocalyptic number.

1020323133103 is a deficient number, since it is larger than the sum of its proper divisors (1258105785).

1020323133103 is an equidigital number, since it uses as much as digits as its factorization.

1020323133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258105784.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1020323133103 its reverse (3013313230201), we get a palindrome (4033636363304).

The spelling of 1020323133103 in words is "one trillion, twenty billion, three hundred twenty-three million, one hundred thirty-three thousand, one hundred three".