313412121444 has 24 divisors (see below), whose sum is σ = 749131413408. Its totient is φ = 101922640960.

The previous prime is 313412121443. The next prime is 313412121481. The reversal of 313412121444 is 444121214313.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (313412121443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 318507762 + ... + 318508745.

It is an arithmetic number, because the mean of its divisors is an integer number (31213808892).

Almost surely, 2^313412121444 is an apocalyptic number.

It is an amenable number.

313412121444 is an abundant number, since it is smaller than the sum of its proper divisors (435719291964).

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

313412121444 is a wasteful number, since it uses less digits than its factorization.

313412121444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637016555 (or 637016553 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 313412121444 its reverse (444121214313), we get a palindrome (757533335757).

The spelling of 313412121444 in words is "three hundred thirteen billion, four hundred twelve million, one hundred twenty-one thousand, four hundred forty-four".