31550343108 has 12 divisors (see below), whose sum is σ = 73617467280. Its totient is φ = 10516781032.

The previous prime is 31550343103. The next prime is 31550343119. The reversal of 31550343108 is 80134305513.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (31550343103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314597618 + ... + 1314597641.

It is an arithmetic number, because the mean of its divisors is an integer number (6134788940).

Almost surely, 2^31550343108 is an apocalyptic number.

It is an amenable number.

31550343108 is an abundant number, since it is smaller than the sum of its proper divisors (42067124172).

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

31550343108 is a wasteful number, since it uses less digits than its factorization.

31550343108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629195266 (or 2629195264 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 31550343108 in words is "thirty-one billion, five hundred fifty million, three hundred forty-three thousand, one hundred eight".