1310020063 has 4 divisors (see below), whose sum is σ = 1429112808. Its totient is φ = 1190927320.

The previous prime is 1310020021. The next prime is 1310020067. The reversal of 1310020063 is 3600200131.

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

It is not a de Polignac number, because 1310020063 - 2¹⁷ = 1309888991 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 (1310020067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59546356 + ... + 59546377.

It is an arithmetic number, because the mean of its divisors is an integer number (357278202).

Almost surely, 2^1310020063 is an apocalyptic number.

1310020063 is a deficient number, since it is larger than the sum of its proper divisors (119092745).

1310020063 is a wasteful number, since it uses less digits than its factorization.

1310020063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119092744.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1310020063 is about 36194.1993004404. The cubic root of 1310020063 is about 1094.1897672427.

Adding to 1310020063 its reverse (3600200131), we get a palindrome (4910220194).

The spelling of 1310020063 in words is "one billion, three hundred ten million, twenty thousand, sixty-three".