31232005424442 has 32 divisors (see below), whose sum is σ = 70261301650560. Its totient is φ = 10410668473356.

The previous prime is 31232005424369. The next prime is 31232005424453. The reversal of 31232005424442 is 24442450023213.

31232005424442 is a `hidden beast` number, since 3 + 1 + 2 + 3 + 200 + 5 + 4 + 2 + 4 + 442 = 666.

It is a super-2 number, since 2×31232005424442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31232005424397 and 31232005424406.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3570183718 + ... + 3570192465.

It is an arithmetic number, because the mean of its divisors is an integer number (2195665676580).

Almost surely, 2^{31232005424442} is an apocalyptic number.

31232005424442 is an abundant number, since it is smaller than the sum of its proper divisors (39029296226118).

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

31232005424442 is an frugal number, since it uses more digits than its factorization.

31232005424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140376206 (or 7140376188 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 31232005424442 its reverse (24442450023213), we get a palindrome (55674455447655).

The spelling of 31232005424442 in words is "thirty-one trillion, two hundred thirty-two billion, five million, four hundred twenty-four thousand, four hundred forty-two".