4034131221321 has 96 divisors (see below), whose sum is σ = 6497846784000. Its totient is φ = 2400952627584.

The previous prime is 4034131221301. The next prime is 4034131221331. The reversal of 4034131221321 is 1231221314304.

4034131221321 is a `hidden beast` number, since 4 + 0 + 3 + 4 + 1 + 312 + 21 + 321 = 666.

It is not a de Polignac number, because 4034131221321 - 2⁹ = 4034131220809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4034131221301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 306841470 + ... + 306854616.

It is an arithmetic number, because the mean of its divisors is an integer number (67685904000).

Almost surely, 2^{4034131221321} is an apocalyptic number.

It is an amenable number.

4034131221321 is a deficient number, since it is larger than the sum of its proper divisors (2463715562679).

4034131221321 is a wasteful number, since it uses less digits than its factorization.

4034131221321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683 (or 14680 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 4034131221321 its reverse (1231221314304), we get a palindrome (5265352535625).

The spelling of 4034131221321 in words is "four trillion, thirty-four billion, one hundred thirty-one million, two hundred twenty-one thousand, three hundred twenty-one".