31271344116 has 48 divisors (see below), whose sum is σ = 75635589120. Its totient is φ = 10045294560.

The previous prime is 31271344099. The next prime is 31271344129. The reversal of 31271344116 is 61144317213.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86956 + ... + 264771.

It is an arithmetic number, because the mean of its divisors is an integer number (1575741440).

Almost surely, 2^31271344116 is an apocalyptic number.

It is an amenable number.

31271344116 is an abundant number, since it is smaller than the sum of its proper divisors (44364245004).

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

31271344116 is a wasteful number, since it uses less digits than its factorization.

31271344116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352004 (or 352002 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The spelling of 31271344116 in words is "thirty-one billion, two hundred seventy-one million, three hundred forty-four thousand, one hundred sixteen".