31442004112 has 40 divisors (see below), whose sum is σ = 61727176440. Its totient is φ = 15513630720.

The previous prime is 31442004091. The next prime is 31442004127. The reversal of 31442004112 is 21140024413.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8227215616 + 23214788496 = 90704^2 + 152364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376062 + ... + 452002.

It is an arithmetic number, because the mean of its divisors is an integer number (1543179411).

Almost surely, 2^31442004112 is an apocalyptic number.

It is an amenable number.

31442004112 is a deficient number, since it is larger than the sum of its proper divisors (30285172328).

31442004112 is a wasteful number, since it uses less digits than its factorization.

31442004112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76291 (or 76285 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 31442004112 its reverse (21140024413), we get a palindrome (52582028525).

The spelling of 31442004112 in words is "thirty-one billion, four hundred forty-two million, four thousand, one hundred twelve".