315110421 has 24 divisors (see below), whose sum is σ = 479831040. Its totient is φ = 198720000.

The previous prime is 315110377. The next prime is 315110429. The reversal of 315110421 is 124011513.

It is not a de Polignac number, because 315110421 - 2⁶ = 315110357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315110394 and 315110403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315110429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196021 + ... + 197621.

It is an arithmetic number, because the mean of its divisors is an integer number (19992960).

Almost surely, 2^315110421 is an apocalyptic number.

It is an amenable number.

315110421 is a deficient number, since it is larger than the sum of its proper divisors (164720619).

315110421 is a wasteful number, since it uses less digits than its factorization.

315110421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 315110421 is about 17751.3498359984. The cubic root of 315110421 is about 680.4887065036.

Adding to 315110421 its reverse (124011513), we get a palindrome (439121934).

The spelling of 315110421 in words is "three hundred fifteen million, one hundred ten thousand, four hundred twenty-one".