31424401433424 has 20 divisors (see below), whose sum is σ = 81179703703136. Its totient is φ = 10474800477792.

The previous prime is 31424401433401. The next prime is 31424401433431. The reversal of 31424401433424 is 42433410442413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327337514884 + ... + 327337514979.

Almost surely, 2^{31424401433424} is an apocalyptic number.

It is an amenable number.

31424401433424 is an abundant number, since it is smaller than the sum of its proper divisors (49755302269712).

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

31424401433424 is a wasteful number, since it uses less digits than its factorization.

31424401433424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654675029874 (or 654675029868 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 31424401433424 its reverse (42433410442413), we get a palindrome (73857811875837).

The spelling of 31424401433424 in words is "thirty-one trillion, four hundred twenty-four billion, four hundred one million, four hundred thirty-three thousand, four hundred twenty-four".