31883211338 has 32 divisors (see below), whose sum is σ = 52331935680. Its totient is φ = 14448165760.

The previous prime is 31883211329. The next prime is 31883211379. The reversal of 31883211338 is 83311238813.

It is a junction number, because it is equal to n+sod(n) for n = 31883211295 and 31883211304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15964556 + ... + 15966552.

It is an arithmetic number, because the mean of its divisors is an integer number (1635372990).

Almost surely, 2^31883211338 is an apocalyptic number.

31883211338 is a deficient number, since it is larger than the sum of its proper divisors (20448724342).

31883211338 is a wasteful number, since it uses less digits than its factorization.

31883211338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3862.

The product of its digits is 82944, while the sum is 41.

The spelling of 31883211338 in words is "thirty-one billion, eight hundred eighty-three million, two hundred eleven thousand, three hundred thirty-eight".