331801424421 has 8 divisors (see below), whose sum is σ = 444846109344. Its totient is φ = 219978844560.

The previous prime is 331801424417. The next prime is 331801424453. The reversal of 331801424421 is 124424108133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331801424421 - 2² = 331801424417 is a prime.

It is a super-2 number, since 2×331801424421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331801424491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305525631 + ... + 305526716.

It is an arithmetic number, because the mean of its divisors is an integer number (55605763668).

Almost surely, 2^331801424421 is an apocalyptic number.

It is an amenable number.

331801424421 is a deficient number, since it is larger than the sum of its proper divisors (113044684923).

331801424421 is a wasteful number, since it uses less digits than its factorization.

331801424421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611052531.

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 331801424421 in words is "three hundred thirty-one billion, eight hundred one million, four hundred twenty-four thousand, four hundred twenty-one".