313301221420 has 24 divisors (see below), whose sum is σ = 717744616848. Its totient is φ = 113927716800.

The previous prime is 313301221399. The next prime is 313301221439. The reversal of 313301221420 is 24122103313.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 313301221391 and 313301221400.

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, 712048011 + ... + 712048450.

It is an arithmetic number, because the mean of its divisors is an integer number (29906025702).

Almost surely, 2^313301221420 is an apocalyptic number.

It is an amenable number.

313301221420 is an abundant number, since it is smaller than the sum of its proper divisors (404443395428).

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

313301221420 is a wasteful number, since it uses less digits than its factorization.

313301221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424096481 (or 1424096479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 313301221420 its reverse (24122103313), we get a palindrome (337423324733).

The spelling of 313301221420 in words is "three hundred thirteen billion, three hundred one million, two hundred twenty-one thousand, four hundred twenty".