312325434 has 48 divisors (see below), whose sum is σ = 713456640. Its totient is φ = 98598240.

The previous prime is 312325423. The next prime is 312325451. The reversal of 312325434 is 434523213.

It is a junction number, because it is equal to n+sod(n) for n = 312325398 and 312325407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20272 + ... + 32180.

It is an arithmetic number, because the mean of its divisors is an integer number (14863680).

Almost surely, 2^312325434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312325434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356728320).

312325434 is an abundant number, since it is smaller than the sum of its proper divisors (401131206).

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

312325434 is a wasteful number, since it uses less digits than its factorization.

312325434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11995 (or 11992 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 312325434 is about 17672.7313678446. The cubic root of 312325434 is about 678.4780219395.

Adding to 312325434 its reverse (434523213), we get a palindrome (746848647).

The spelling of 312325434 in words is "three hundred twelve million, three hundred twenty-five thousand, four hundred thirty-four".