331224343404431 has 48 divisors (see below), whose sum is σ = 361657126908000. Its totient is φ = 303171276177408.

The previous prime is 331224343404403. The next prime is 331224343404433. The reversal of 331224343404431 is 134404343422133.

It is not a de Polignac number, because 331224343404431 - 2²⁶ = 331224276295567 is a prime.

It is a super-2 number, since 2×331224343404431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331224343404433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4096786295 + ... + 4096867143.

It is an arithmetic number, because the mean of its divisors is an integer number (7534523477250).

Almost surely, 2^{331224343404431} is an apocalyptic number.

331224343404431 is a deficient number, since it is larger than the sum of its proper divisors (30432783503569).

331224343404431 is a wasteful number, since it uses less digits than its factorization.

331224343404431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83516 (or 83499 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 41.

Adding to 331224343404431 its reverse (134404343422133), we get a palindrome (465628686826564).

The spelling of 331224343404431 in words is "three hundred thirty-one trillion, two hundred twenty-four billion, three hundred forty-three million, four hundred four thousand, four hundred thirty-one".