420000313 has 4 divisors (see below), whose sum is σ = 420282000. Its totient is φ = 419718628.

The previous prime is 420000281. The next prime is 420000323. The reversal of 420000313 is 313000024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420000313 - 2⁵ = 420000281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420000293 and 420000302.

It is not an unprimeable number, because it can be changed into a prime (420000323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138595 + ... + 141592.

It is an arithmetic number, because the mean of its divisors is an integer number (105070500).

Almost surely, 2^420000313 is an apocalyptic number.

It is an amenable number.

420000313 is a deficient number, since it is larger than the sum of its proper divisors (281687).

420000313 is a wasteful number, since it uses less digits than its factorization.

420000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281686.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 420000313 is about 20493.9091683358. The cubic root of 420000313 is about 748.8874247549.

Adding to 420000313 its reverse (313000024), we get a palindrome (733000337).

The spelling of 420000313 in words is "four hundred twenty million, three hundred thirteen", and thus it is an aban number.