316500421 has 8 divisors (see below), whose sum is σ = 327285504. Its totient is φ = 305751360.

The previous prime is 316500419. The next prime is 316500439. The reversal of 316500421 is 124005613.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316500421 - 2¹ = 316500419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 316500392 and 316500401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316500451) 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, 9501 + ... + 26893.

It is an arithmetic number, because the mean of its divisors is an integer number (40910688).

Almost surely, 2^316500421 is an apocalyptic number.

316500421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

316500421 is a deficient number, since it is larger than the sum of its proper divisors (10785083).

316500421 is a wasteful number, since it uses less digits than its factorization.

316500421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18011.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 316500421 is about 17790.4587068462. The cubic root of 316500421 is about 681.4878185943.

The spelling of 316500421 in words is "three hundred sixteen million, five hundred thousand, four hundred twenty-one".