313748632144 has 20 divisors (see below), whose sum is σ = 607995569920. Its totient is φ = 156846549600.

The previous prime is 313748632129. The next prime is 313748632151. The reversal of 313748632144 is 441236847313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 313748632094 and 313748632103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642032 + ... + 1823119.

It is an arithmetic number, because the mean of its divisors is an integer number (30399778496).

Almost surely, 2^313748632144 is an apocalyptic number.

It is an amenable number.

313748632144 is a deficient number, since it is larger than the sum of its proper divisors (294246937776).

313748632144 is a wasteful number, since it uses less digits than its factorization.

313748632144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470818 (or 3470812 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 46.

The spelling of 313748632144 in words is "three hundred thirteen billion, seven hundred forty-eight million, six hundred thirty-two thousand, one hundred forty-four".