31238060072 has 16 divisors (see below), whose sum is σ = 59817562560. Its totient is φ = 15286710064.

The previous prime is 31238060047. The next prime is 31238060081. The reversal of 31238060072 is 27006083213.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 41539598 + ... + 41540349.

It is an arithmetic number, because the mean of its divisors is an integer number (3738597660).

Almost surely, 2^31238060072 is an apocalyptic number.

It is an amenable number.

31238060072 is a deficient number, since it is larger than the sum of its proper divisors (28579502488).

31238060072 is a wasteful number, since it uses less digits than its factorization.

31238060072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83080000 (or 83079996 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 31238060072 in words is "thirty-one billion, two hundred thirty-eight million, sixty thousand, seventy-two".