312020434 has 32 divisors (see below), whose sum is σ = 527679360. Its totient is φ = 137155200.

The previous prime is 312020399. The next prime is 312020441. The reversal of 312020434 is 434020213.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80902 + ... + 84670.

It is an arithmetic number, because the mean of its divisors is an integer number (16489980).

Almost surely, 2^312020434 is an apocalyptic number.

312020434 is a deficient number, since it is larger than the sum of its proper divisors (215658926).

312020434 is a wasteful number, since it uses less digits than its factorization.

312020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 312020434 is about 17664.1001469081. The cubic root of 312020434 is about 678.2570951203.

Adding to 312020434 its reverse (434020213), we get a palindrome (746040647).

The spelling of 312020434 in words is "three hundred twelve million, twenty thousand, four hundred thirty-four".