31478268948704 has 24 divisors (see below), whose sum is σ = 61973138806488. Its totient is φ = 15739059093120.

The previous prime is 31478268948629. The next prime is 31478268948733. The reversal of 31478268948704 is 40784986287413.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 4760894 + ... + 9253250.

It is an arithmetic number, because the mean of its divisors is an integer number (2582214116937).

Almost surely, 2^{31478268948704} is an apocalyptic number.

It is an amenable number.

31478268948704 is a deficient number, since it is larger than the sum of its proper divisors (30494869857784).

31478268948704 is a wasteful number, since it uses less digits than its factorization.

31478268948704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711338 (or 4711330 counting only the distinct ones).

The product of its (nonzero) digits is 520224768, while the sum is 71.

The spelling of 31478268948704 in words is "thirty-one trillion, four hundred seventy-eight billion, two hundred sixty-eight million, nine hundred forty-eight thousand, seven hundred four".