31868863346 has 16 divisors (see below), whose sum is σ = 48178978848. Its totient is φ = 15809258400.

The previous prime is 31868863331. The next prime is 31868863399. The reversal of 31868863346 is 64336886813.

It is a junction number, because it is equal to n+sod(n) for n = 31868863291 and 31868863300.

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 7 ways as a sum of consecutive naturals, for example, 1467161 + ... + 1488723.

It is an arithmetic number, because the mean of its divisors is an integer number (3011186178).

Almost surely, 2^31868863346 is an apocalyptic number.

31868863346 is a deficient number, since it is larger than the sum of its proper divisors (16310115502).

31868863346 is a wasteful number, since it uses less digits than its factorization.

31868863346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27337.

The product of its digits is 11943936, while the sum is 56.

The spelling of 31868863346 in words is "thirty-one billion, eight hundred sixty-eight million, eight hundred sixty-three thousand, three hundred forty-six".