313121000244 has 24 divisors (see below), whose sum is σ = 786816872800. Its totient is φ = 96344923104.

The previous prime is 313121000219. The next prime is 313121000251. The reversal of 313121000244 is 442000121313.

It is a self number, because there is not a number n which added to its sum of digits gives 313121000244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003592794 + ... + 1003593105.

Almost surely, 2^313121000244 is an apocalyptic number.

It is an amenable number.

313121000244 is an abundant number, since it is smaller than the sum of its proper divisors (473695872556).

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

313121000244 is a wasteful number, since it uses less digits than its factorization.

313121000244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007185919 (or 2007185917 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 313121000244 its reverse (442000121313), we get a palindrome (755121121557).

The spelling of 313121000244 in words is "three hundred thirteen billion, one hundred twenty-one million, two hundred forty-four", and thus it is an aban number.