313403420 has 24 divisors (see below), whose sum is σ = 717979248. Its totient is φ = 113964800.

The previous prime is 313403399. The next prime is 313403501. The reversal of 313403420 is 24304313.

313403420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 313403392 and 313403401.

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, 712061 + ... + 712500.

It is an arithmetic number, because the mean of its divisors is an integer number (29915802).

Almost surely, 2^313403420 is an apocalyptic number.

It is an amenable number.

313403420 is an abundant number, since it is smaller than the sum of its proper divisors (404575828).

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

313403420 is a wasteful number, since it uses less digits than its factorization.

313403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424581 (or 1424579 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 313403420 is about 17703.2036648738. The cubic root of 313403420 is about 679.2577107718.

Adding to 313403420 its reverse (24304313), we get a palindrome (337707733).

The spelling of 313403420 in words is "three hundred thirteen million, four hundred three thousand, four hundred twenty".