312430434 has 16 divisors (see below), whose sum is σ = 625078272. Its totient is φ = 104107248.

The previous prime is 312430421. The next prime is 312430441. The reversal of 312430434 is 434034213.

It is a super-2 number, since 2×312430434² = 195225552178856712, which contains 22 as substring.

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, 14232 + ... + 28764.

It is an arithmetic number, because the mean of its divisors is an integer number (39067392).

Almost surely, 2^312430434 is an apocalyptic number.

312430434 is an abundant number, since it is smaller than the sum of its proper divisors (312647838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312430434 is a wasteful number, since it uses less digits than its factorization.

312430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18121.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 312430434 is about 17675.7017965341. The cubic root of 312430434 is about 678.5540454315.

Adding to 312430434 its reverse (434034213), we get a palindrome (746464647).

The spelling of 312430434 in words is "three hundred twelve million, four hundred thirty thousand, four hundred thirty-four".