31440013412452 has 96 divisors (see below), whose sum is σ = 56408480352000. Its totient is φ = 15329906178048.

The previous prime is 31440013412417. The next prime is 31440013412491. The reversal of 31440013412452 is 25421431004413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8026552398 + ... + 8026556314.

It is an arithmetic number, because the mean of its divisors is an integer number (587588337000).

Almost surely, 2^{31440013412452} is an apocalyptic number.

It is an amenable number.

31440013412452 is a deficient number, since it is larger than the sum of its proper divisors (24968466939548).

31440013412452 is a wasteful number, since it uses less digits than its factorization.

31440013412452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173 (or 5171 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 31440013412452 its reverse (25421431004413), we get a palindrome (56861444416865).

The spelling of 31440013412452 in words is "thirty-one trillion, four hundred forty billion, thirteen million, four hundred twelve thousand, four hundred fifty-two".