1020313112303 has 4 divisors (see below), whose sum is σ = 1020346850760. Its totient is φ = 1020279373848.

The previous prime is 1020313112153. The next prime is 1020313112309. The reversal of 1020313112303 is 3032113130201.

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 1020313112303 - 2³² = 1016018145007 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 (1020313112309) 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, 16823825 + ... + 16884362.

It is an arithmetic number, because the mean of its divisors is an integer number (255086712690).

Almost surely, 2^{1020313112303} is an apocalyptic number.

1020313112303 is a deficient number, since it is larger than the sum of its proper divisors (33738457).

1020313112303 is an equidigital number, since it uses as much as digits as its factorization.

1020313112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33738456.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1020313112303 its reverse (3032113130201), we get a palindrome (4052426242504).

The spelling of 1020313112303 in words is "one trillion, twenty billion, three hundred thirteen million, one hundred twelve thousand, three hundred three".