31446216068 has 12 divisors (see below), whose sum is σ = 55032502812. Its totient is φ = 15722643840.

The previous prime is 31446216041. The next prime is 31446216167. The reversal of 31446216068 is 86061264413.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11975362624 + 19470853444 = 109432^2 + 139538^2 .

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, 69248 + ... + 260168.

It is an arithmetic number, because the mean of its divisors is an integer number (4586041901).

Almost surely, 2^31446216068 is an apocalyptic number.

It is an amenable number.

31446216068 is a deficient number, since it is larger than the sum of its proper divisors (23586286744).

31446216068 is a wasteful number, since it uses less digits than its factorization.

31446216068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232102 (or 232100 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 31446216068 in words is "thirty-one billion, four hundred forty-six million, two hundred sixteen thousand, sixty-eight".