312430 has 16 divisors (see below), whose sum is σ = 568800. Its totient is φ = 123552.

The previous prime is 312427. The next prime is 312451. The reversal of 312430 is 34213.

It is a super-2 number, since 2×312430² = 195225009800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 312430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471 + ... + 1669.

It is an arithmetic number, because the mean of its divisors is an integer number (35550).

2³¹²⁴³⁰ is an apocalyptic number.

312430 is a deficient number, since it is larger than the sum of its proper divisors (256370).

312430 is a wasteful number, since it uses less digits than its factorization.

312430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 312430 is about 558.9543809650. The cubic root of 312430 is about 67.8553731236.

Adding to 312430 its reverse (34213), we get a palindrome (346643).

The spelling of 312430 in words is "three hundred twelve thousand, four hundred thirty".