315430 has 8 divisors (see below), whose sum is σ = 567792. Its totient is φ = 126168.

The previous prime is 315421. The next prime is 315437. The reversal of 315430 is 34513.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15762 + ... + 15781.

It is an arithmetic number, because the mean of its divisors is an integer number (70974).

2³¹⁵⁴³⁰ is an apocalyptic number.

315430 is a deficient number, since it is larger than the sum of its proper divisors (252362).

315430 is a wasteful number, since it uses less digits than its factorization.

315430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31550.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 315430 is about 561.6315518202. The cubic root of 315430 is about 68.0718675016.

Adding to 315430 its reverse (34513), we get a palindrome (349943).

The spelling of 315430 in words is "three hundred fifteen thousand, four hundred thirty".