313143124420 has 24 divisors (see below), whose sum is σ = 751543498944. Its totient is φ = 107363356896.

The previous prime is 313143124391. The next prime is 313143124429. The reversal of 313143124420 is 24421341313.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (313143124429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118368162 + ... + 1118368441.

It is an arithmetic number, because the mean of its divisors is an integer number (31314312456).

Almost surely, 2^313143124420 is an apocalyptic number.

It is an amenable number.

313143124420 is an abundant number, since it is smaller than the sum of its proper divisors (438400374524).

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

313143124420 is a wasteful number, since it uses less digits than its factorization.

313143124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236736619 (or 2236736617 counting only the distinct ones).

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

Adding to 313143124420 its reverse (24421341313), we get a palindrome (337564465733).

The spelling of 313143124420 in words is "three hundred thirteen billion, one hundred forty-three million, one hundred twenty-four thousand, four hundred twenty".