21242031233324 has 96 divisors (see below), whose sum is σ = 43087261718592. Its totient is φ = 9074626560000.

The previous prime is 21242031233281. The next prime is 21242031233387. The reversal of 21242031233324 is 42333213024212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5166092 + ... + 8317004.

It is an arithmetic number, because the mean of its divisors is an integer number (448825642902).

Almost surely, 2^{21242031233324} is an apocalyptic number.

It is an amenable number.

21242031233324 is an abundant number, since it is smaller than the sum of its proper divisors (21845230485268).

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

21242031233324 is a wasteful number, since it uses less digits than its factorization.

21242031233324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151107 (or 3151105 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 21242031233324 its reverse (42333213024212), we get a palindrome (63575244257536).

The spelling of 21242031233324 in words is "twenty-one trillion, two hundred forty-two billion, thirty-one million, two hundred thirty-three thousand, three hundred twenty-four".