313612633644 has 24 divisors (see below), whose sum is σ = 731788538880. Its totient is φ = 104533869264.

The previous prime is 313612633613. The next prime is 313612633661. The reversal of 313612633644 is 446336216313.

It is a super-2 number, since 2×313612633644² (a number of 24 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 313612633596 and 313612633605.

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 7 ways as a sum of consecutive naturals, for example, 92124 + ... + 797315.

It is an arithmetic number, because the mean of its divisors is an integer number (30491189120).

Almost surely, 2^313612633644 is an apocalyptic number.

It is an amenable number.

313612633644 is an abundant number, since it is smaller than the sum of its proper divisors (418175905236).

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

313612633644 is a wasteful number, since it uses less digits than its factorization.

313612633644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918829 (or 918827 counting only the distinct ones).

The product of its digits is 559872, while the sum is 42.

Adding to 313612633644 its reverse (446336216313), we get a palindrome (759948849957).

The spelling of 313612633644 in words is "three hundred thirteen billion, six hundred twelve million, six hundred thirty-three thousand, six hundred forty-four".