31043203886 has 16 divisors (see below), whose sum is σ = 46743758880. Its totient is φ = 15462057600.

The previous prime is 31043203843. The next prime is 31043203897. The reversal of 31043203886 is 68830234013.

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, 568586 + ... + 620786.

It is an arithmetic number, because the mean of its divisors is an integer number (2921484930).

Almost surely, 2^31043203886 is an apocalyptic number.

31043203886 is a deficient number, since it is larger than the sum of its proper divisors (15700554994).

31043203886 is a wasteful number, since it uses less digits than its factorization.

31043203886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53339.

The product of its (nonzero) digits is 82944, while the sum is 38.

Adding to 31043203886 its reverse (68830234013), we get a palindrome (99873437899).

The spelling of 31043203886 in words is "thirty-one billion, forty-three million, two hundred three thousand, eight hundred eighty-six".