31028925506 has 16 divisors (see below), whose sum is σ = 47024185824. Its totient is φ = 15354479904.

The previous prime is 31028925503. The next prime is 31028925539. The reversal of 31028925506 is 60552982013.

It is not an unprimeable number, because it can be changed into a prime (31028925503) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 150881 + ... + 291243.

It is an arithmetic number, because the mean of its divisors is an integer number (2939011614).

Almost surely, 2^31028925506 is an apocalyptic number.

31028925506 is a deficient number, since it is larger than the sum of its proper divisors (15995260318).

31028925506 is a wasteful number, since it uses less digits than its factorization.

31028925506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141505.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 31028925506 in words is "thirty-one billion, twenty-eight million, nine hundred twenty-five thousand, five hundred six".