21034113324 has 48 divisors (see below), whose sum is σ = 59043129600. Its totient is φ = 5693443776.

The previous prime is 21034113323. The next prime is 21034113329. The reversal of 21034113324 is 42331143012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21034113294 and 21034113303.

It is not an unprimeable number, because it can be changed into a prime (21034113323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6588039 + ... + 6591230.

It is an arithmetic number, because the mean of its divisors is an integer number (1230065200).

Almost surely, 2^21034113324 is an apocalyptic number.

It is an amenable number.

21034113324 is an abundant number, since it is smaller than the sum of its proper divisors (38009016276).

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

21034113324 is a wasteful number, since it uses less digits than its factorization.

21034113324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13179302 (or 13179300 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21034113324 its reverse (42331143012), we get a palindrome (63365256336).

The spelling of 21034113324 in words is "twenty-one billion, thirty-four million, one hundred thirteen thousand, three hundred twenty-four".