31442120014 has 8 divisors (see below), whose sum is σ = 47236530600. Its totient is φ = 15696609816.

The previous prime is 31442119987. The next prime is 31442120033. The reversal of 31442120014 is 41002124413.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 12223489 + ... + 12226060.

It is an arithmetic number, because the mean of its divisors is an integer number (5904566325).

Almost surely, 2^31442120014 is an apocalyptic number.

31442120014 is a deficient number, since it is larger than the sum of its proper divisors (15794410586).

31442120014 is a wasteful number, since it uses less digits than its factorization.

31442120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450194.

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

Adding to 31442120014 its reverse (41002124413), we get a palindrome (72444244427).

The spelling of 31442120014 in words is "thirty-one billion, four hundred forty-two million, one hundred twenty thousand, fourteen".