21030001302 has 32 divisors (see below), whose sum is σ = 42164520192. Its totient is φ = 6992603744.

The previous prime is 21030001297. The next prime is 21030001303. The reversal of 21030001302 is 20310003012.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21030001303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5910508 + ... + 5914064.

It is an arithmetic number, because the mean of its divisors is an integer number (1317641256).

Almost surely, 2^21030001302 is an apocalyptic number.

21030001302 is an abundant number, since it is smaller than the sum of its proper divisors (21134518890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030001302 is a wasteful number, since it uses less digits than its factorization.

21030001302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5732.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21030001302 its reverse (20310003012), we get a palindrome (41340004314).

The spelling of 21030001302 in words is "twenty-one billion, thirty million, one thousand, three hundred two".