31446015716 has 12 divisors (see below), whose sum is σ = 55165079340. Its totient is φ = 15684564480.

The previous prime is 31446015707. The next prime is 31446015737. The reversal of 31446015716 is 61751064413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30031503616 + 1414512100 = 173296^2 + 37610^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31446015716.

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, 9609005 + ... + 9612276.

It is an arithmetic number, because the mean of its divisors is an integer number (4597089945).

Almost surely, 2^31446015716 is an apocalyptic number.

It is an amenable number.

31446015716 is a deficient number, since it is larger than the sum of its proper divisors (23719063624).

31446015716 is a wasteful number, since it uses less digits than its factorization.

31446015716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221694 (or 19221692 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 31446015716 in words is "thirty-one billion, four hundred forty-six million, fifteen thousand, seven hundred sixteen".