316380421 has 8 divisors (see below), whose sum is σ = 382847040. Its totient is φ = 255231168.

The previous prime is 316380413. The next prime is 316380431. The reversal of 316380421 is 124083613.

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 316380421 - 2³ = 316380413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 316380421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316380431) 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, 1329211 + ... + 1329448.

It is an arithmetic number, because the mean of its divisors is an integer number (47855880).

Almost surely, 2^316380421 is an apocalyptic number.

It is an amenable number.

316380421 is a deficient number, since it is larger than the sum of its proper divisors (66466619).

316380421 is a wasteful number, since it uses less digits than its factorization.

316380421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658683.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 316380421 is about 17787.0857927880. The cubic root of 316380421 is about 681.4016798192.

The spelling of 316380421 in words is "three hundred sixteen million, three hundred eighty thousand, four hundred twenty-one".