313100124320440 has 64 divisors (see below), whose sum is σ = 717771054836160. Its totient is φ = 122876381322240.

The previous prime is 313100124320371. The next prime is 313100124320453. The reversal of 313100124320440 is 44023421001313.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 313100124320399 and 313100124320408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 688024180 + ... + 688479100.

It is an arithmetic number, because the mean of its divisors is an integer number (11215172731815).

Almost surely, 2^{313100124320440} is an apocalyptic number.

It is an amenable number.

313100124320440 is an abundant number, since it is smaller than the sum of its proper divisors (404670930515720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313100124320440 is a wasteful number, since it uses less digits than its factorization.

313100124320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779632 (or 779628 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 313100124320440 its reverse (44023421001313), we get a palindrome (357123545321753).

The spelling of 313100124320440 in words is "three hundred thirteen trillion, one hundred billion, one hundred twenty-four million, three hundred twenty thousand, four hundred forty".