31439329999206 has 16 divisors (see below), whose sum is σ = 63909457704048. Its totient is φ = 10307977048800.

The previous prime is 31439329999139. The next prime is 31439329999223. The reversal of 31439329999206 is 60299992393413.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 42949904005 + ... + 42949904736.

It is an arithmetic number, because the mean of its divisors is an integer number (3994341106503).

Almost surely, 2^{31439329999206} is an apocalyptic number.

31439329999206 is an abundant number, since it is smaller than the sum of its proper divisors (32470127704842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31439329999206 is a wasteful number, since it uses less digits than its factorization.

31439329999206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85899808807.

The product of its (nonzero) digits is 153055008, while the sum is 69.

The spelling of 31439329999206 in words is "thirty-one trillion, four hundred thirty-nine billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, two hundred six".