316300421 has 4 divisors (see below), whose sum is σ = 316544844. Its totient is φ = 316056000.

The previous prime is 316300403. The next prime is 316300423. The reversal of 316300421 is 124003613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124003613 = 37 ⋅3351449.

It can be written as a sum of positive squares in 2 ways, for example, as 63840100 + 252460321 = 7990^2 + 15889^2 .

It is a cyclic number.

It is not a de Polignac number, because 316300421 - 2²⁶ = 249191557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316300393 and 316300402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316300423) 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, 120260 + ... + 122861.

It is an arithmetic number, because the mean of its divisors is an integer number (79136211).

Almost surely, 2^316300421 is an apocalyptic number.

It is an amenable number.

316300421 is a deficient number, since it is larger than the sum of its proper divisors (244423).

316300421 is a wasteful number, since it uses less digits than its factorization.

316300421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244422.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 316300421 is about 17784.8368280398. The cubic root of 316300421 is about 681.3442418679.

The spelling of 316300421 in words is "three hundred sixteen million, three hundred thousand, four hundred twenty-one".