31359053235887 has 12 divisors (see below), whose sum is σ = 33961538068920. Its totient is φ = 28942817406048.

The previous prime is 31359053235883. The next prime is 31359053235889. The reversal of 31359053235887 is 78853235095313.

It is not a de Polignac number, because 31359053235887 - 2² = 31359053235883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31359053235883) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11596937 + ... + 14043042.

It is an arithmetic number, because the mean of its divisors is an integer number (2830128172410).

Almost surely, 2^{31359053235887} is an apocalyptic number.

31359053235887 is a deficient number, since it is larger than the sum of its proper divisors (2602484833033).

31359053235887 is a wasteful number, since it uses less digits than its factorization.

31359053235887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25647242 (or 25647229 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 31359053235887 in words is "thirty-one trillion, three hundred fifty-nine billion, fifty-three million, two hundred thirty-five thousand, eight hundred eighty-seven".