2311221424032 has 72 divisors (see below), whose sum is σ = 6576223608864. Its totient is φ = 769974885504.

The previous prime is 2311221423991. The next prime is 2311221424051. The reversal of 2311221424032 is 2304241221132.

2311221424032 is a `hidden beast` number, since 2 + 3 + 11 + 221 + 424 + 0 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 2311221423987 and 2311221424005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736938 + ... + 2763945.

It is an arithmetic number, because the mean of its divisors is an integer number (91336439012).

Almost surely, 2^{2311221424032} is an apocalyptic number.

It is an amenable number.

2311221424032 is an abundant number, since it is smaller than the sum of its proper divisors (4265002184832).

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

2311221424032 is a wasteful number, since it uses less digits than its factorization.

2311221424032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502682 (or 4502671 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 2311221424032 its reverse (2304241221132), we get a palindrome (4615462645164).

The spelling of 2311221424032 in words is "two trillion, three hundred eleven billion, two hundred twenty-one million, four hundred twenty-four thousand, thirty-two".