31232101424 has 40 divisors (see below), whose sum is σ = 61452644160. Its totient is φ = 15374481408.

The previous prime is 31232101379. The next prime is 31232101441. The reversal of 31232101424 is 42410123213.

It is a self number, because there is not a number n which added to its sum of digits gives 31232101424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411194 + ... + 481190.

It is an arithmetic number, because the mean of its divisors is an integer number (1536316104).

Almost surely, 2^31232101424 is an apocalyptic number.

It is an amenable number.

31232101424 is a deficient number, since it is larger than the sum of its proper divisors (30220542736).

31232101424 is a wasteful number, since it uses less digits than its factorization.

31232101424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70437 (or 70431 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31232101424 its reverse (42410123213), we get a palindrome (73642224637).

The spelling of 31232101424 in words is "thirty-one billion, two hundred thirty-two million, one hundred one thousand, four hundred twenty-four".