2063313021 has 24 divisors (see below), whose sum is σ = 3491174304. Its totient is φ = 1071850080.

The previous prime is 2063312969. The next prime is 2063313041. The reversal of 2063313021 is 1203133602.

It is not a de Polignac number, because 2063313021 - 2⁷ = 2063312893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063313041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636390 + ... + 639623.

It is an arithmetic number, because the mean of its divisors is an integer number (145465596).

Almost surely, 2^2063313021 is an apocalyptic number.

2063313021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2063313021 is a deficient number, since it is larger than the sum of its proper divisors (1427861283).

2063313021 is a wasteful number, since it uses less digits than its factorization.

2063313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276041 (or 1276034 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2063313021 is about 45423.7054961393. The cubic root of 2063313021 is about 1273.0780775328.

Adding to 2063313021 its reverse (1203133602), we get a palindrome (3266446623).

The spelling of 2063313021 in words is "two billion, sixty-three million, three hundred thirteen thousand, twenty-one".