21430313401024 has 28 divisors (see below), whose sum is σ = 46391757988968. Its totient is φ = 9741051545600.

The previous prime is 21430313400919. The next prime is 21430313401043. The reversal of 21430313401024 is 42010431303412.

It is a happy number.

It is a super-2 number, since 2×21430313401024² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21430313400983 and 21430313401001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15220392337 + ... + 15220393744.

It is an arithmetic number, because the mean of its divisors is an integer number (1656848499606).

Almost surely, 2^{21430313401024} is an apocalyptic number.

It is an amenable number.

21430313401024 is an abundant number, since it is smaller than the sum of its proper divisors (24961444587944).

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

21430313401024 is a wasteful number, since it uses less digits than its factorization.

21430313401024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30440786104 (or 30440786094 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21430313401024 its reverse (42010431303412), we get a palindrome (63440744704436).

The spelling of 21430313401024 in words is "twenty-one trillion, four hundred thirty billion, three hundred thirteen million, four hundred one thousand, twenty-four".