31445550206 has 16 divisors (see below), whose sum is σ = 54066626016. Its totient is φ = 13436672256.

The previous prime is 31445550167. The next prime is 31445550223. The reversal of 31445550206 is 60205554413.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3327791 + ... + 3337226.

It is an arithmetic number, because the mean of its divisors is an integer number (3379164126).

Almost surely, 2^31445550206 is an apocalyptic number.

31445550206 is a deficient number, since it is larger than the sum of its proper divisors (22621075810).

31445550206 is a wasteful number, since it uses less digits than its factorization.

31445550206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6665363.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 31445550206 in words is "thirty-one billion, four hundred forty-five million, five hundred fifty thousand, two hundred six".