1020313323003 has 16 divisors (see below), whose sum is σ = 1466363013920. Its totient is φ = 627328952064.

The previous prime is 1020313322999. The next prime is 1020313323077. The reversal of 1020313323003 is 3003233130201.

It is not a de Polignac number, because 1020313323003 - 2² = 1020313322999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020313327003) 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, 11542276 + ... + 11630337.

It is an arithmetic number, because the mean of its divisors is an integer number (91647688370).

Almost surely, 2^{1020313323003} is an apocalyptic number.

1020313323003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1020313323003 is a deficient number, since it is larger than the sum of its proper divisors (446049690917).

1020313323003 is a wasteful number, since it uses less digits than its factorization.

1020313323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173758.

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

Adding to 1020313323003 its reverse (3003233130201), we get a palindrome (4023546453204).

The spelling of 1020313323003 in words is "one trillion, twenty billion, three hundred thirteen million, three hundred twenty-three thousand, three".