1313010020205 has 48 divisors (see below), whose sum is σ = 2451097224576. Its totient is φ = 646366642560.

The previous prime is 1313010020183. The next prime is 1313010020219. The reversal of 1313010020205 is 5020200103131.

It is not a de Polignac number, because 1313010020205 - 2⁶ = 1313010020141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11551600 + ... + 11664710.

It is an arithmetic number, because the mean of its divisors is an integer number (51064525512).

Almost surely, 2^{1313010020205} is an apocalyptic number.

1313010020205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313010020205 is a deficient number, since it is larger than the sum of its proper divisors (1138087204371).

1313010020205 is a wasteful number, since it uses less digits than its factorization.

1313010020205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132978 (or 132975 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 1313010020205 its reverse (5020200103131), we get a palindrome (6333210123336).

The spelling of 1313010020205 in words is "one trillion, three hundred thirteen billion, ten million, twenty thousand, two hundred five".