31144340827272 has 64 divisors (see below), whose sum is σ = 78476210841600. Its totient is φ = 10299403860480.

The previous prime is 31144340827261. The next prime is 31144340827331. The reversal of 31144340827272 is 27272804344113.

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, 120904372 + ... + 121161692.

It is an arithmetic number, because the mean of its divisors is an integer number (1226190794400).

Almost surely, 2^{31144340827272} is an apocalyptic number.

It is an amenable number.

31144340827272 is an abundant number, since it is smaller than the sum of its proper divisors (47331870014328).

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

31144340827272 is a wasteful number, since it uses less digits than its factorization.

31144340827272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297166 (or 297162 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 31144340827272 in words is "thirty-one trillion, one hundred forty-four billion, three hundred forty million, eight hundred twenty-seven thousand, two hundred seventy-two".