316024421 has 4 divisors (see below), whose sum is σ = 316060512. Its totient is φ = 315988332.

The previous prime is 316024417. The next prime is 316024451. The reversal of 316024421 is 124420613.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 124420613 = 71 ⋅1752403.

It is a cyclic number.

It is not a de Polignac number, because 316024421 - 2² = 316024417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316024451) 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, 4376 + ... + 25518.

It is an arithmetic number, because the mean of its divisors is an integer number (79015128).

Almost surely, 2^316024421 is an apocalyptic number.

It is an amenable number.

316024421 is a deficient number, since it is larger than the sum of its proper divisors (36091).

316024421 is a wasteful number, since it uses less digits than its factorization.

316024421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 316024421 is about 17777.0757156513. The cubic root of 316024421 is about 681.1460065597.

The spelling of 316024421 in words is "three hundred sixteen million, twenty-four thousand, four hundred twenty-one".