31442441432 has 32 divisors (see below), whose sum is σ = 59228843520. Its totient is φ = 15648228000.

The previous prime is 31442441423. The next prime is 31442441449. The reversal of 31442441432 is 23414424413.

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 7 ways as a sum of consecutive naturals, for example, 1835933 + ... + 1852979.

It is an arithmetic number, because the mean of its divisors is an integer number (1850901360).

Almost surely, 2^31442441432 is an apocalyptic number.

It is an amenable number.

31442441432 is a deficient number, since it is larger than the sum of its proper divisors (27786402088).

31442441432 is a wasteful number, since it uses less digits than its factorization.

31442441432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111 (or 18107 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 31442441432 its reverse (23414424413), we get a palindrome (54856865845).

The spelling of 31442441432 in words is "thirty-one billion, four hundred forty-two million, four hundred forty-one thousand, four hundred thirty-two".