21301413430 has 32 divisors (see below), whose sum is σ = 43646853888. Its totient is φ = 7409186400.

The previous prime is 21301413373. The next prime is 21301413443. The reversal of 21301413430 is 3431410312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

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, 4207236 + ... + 4212295.

It is an arithmetic number, because the mean of its divisors is an integer number (1363964184).

Almost surely, 2^21301413430 is an apocalyptic number.

21301413430 is an abundant number, since it is smaller than the sum of its proper divisors (22345440458).

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

21301413430 is a wasteful number, since it uses less digits than its factorization.

21301413430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419572.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21301413430 its reverse (3431410312), we get a palindrome (24732823742).

The spelling of 21301413430 in words is "twenty-one billion, three hundred one million, four hundred thirteen thousand, four hundred thirty".