31946322152 has 16 divisors (see below), whose sum is σ = 59901257700. Its totient is φ = 15972653440.

The previous prime is 31946322127. The next prime is 31946322169. The reversal of 31946322152 is 25122364913.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30246079396 + 1700242756 = 173914^2 + 41234^2 .

It is a super-2 number, since 2×31946322152² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426902 + ... + 496122.

Almost surely, 2^31946322152 is an apocalyptic number.

It is an amenable number.

31946322152 is a deficient number, since it is larger than the sum of its proper divisors (27954935548).

31946322152 is a wasteful number, since it uses less digits than its factorization.

31946322152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126916 (or 126912 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The spelling of 31946322152 in words is "thirty-one billion, nine hundred forty-six million, three hundred twenty-two thousand, one hundred fifty-two".