312325420 has 48 divisors (see below), whose sum is σ = 753177600. Its totient is φ = 107593920.

The previous prime is 312325373. The next prime is 312325421. The reversal of 312325420 is 24523213.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 312325391 and 312325400.

It is not an unprimeable number, because it can be changed into a prime (312325421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33180 + ... + 41539.

It is an arithmetic number, because the mean of its divisors is an integer number (15691200).

Almost surely, 2^312325420 is an apocalyptic number.

It is an amenable number.

312325420 is an abundant number, since it is smaller than the sum of its proper divisors (440852180).

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

312325420 is a wasteful number, since it uses less digits than its factorization.

312325420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74758 (or 74756 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 312325420 is about 17672.7309717542. The cubic root of 312325420 is about 678.4780118019.

Adding to 312325420 its reverse (24523213), we get a palindrome (336848633).

The spelling of 312325420 in words is "three hundred twelve million, three hundred twenty-five thousand, four hundred twenty".