21432130102310 has 128 divisors (see below), whose sum is σ = 43410196200960. Its totient is φ = 7570479974400.

The previous prime is 21432130102309. The next prime is 21432130102321. The reversal of 21432130102310 is 1320103123412.

It is a super-2 number, since 2×21432130102310² (a number of 27 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 2105105420 + ... + 2105115600.

It is an arithmetic number, because the mean of its divisors is an integer number (339142157820).

Almost surely, 2^{21432130102310} is an apocalyptic number.

21432130102310 is an abundant number, since it is smaller than the sum of its proper divisors (21978066098650).

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

21432130102310 is a wasteful number, since it uses less digits than its factorization.

21432130102310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16422.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21432130102310 its reverse (1320103123412), we get a palindrome (22752233225722).

The spelling of 21432130102310 in words is "twenty-one trillion, four hundred thirty-two billion, one hundred thirty million, one hundred two thousand, three hundred ten".