312030022 has 4 divisors (see below), whose sum is σ = 468045036. Its totient is φ = 156015010.

The previous prime is 312030007. The next prime is 312030031. The reversal of 312030022 is 220030213.

It is a happy number.

312030022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 312029984 and 312030011.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 78007504 + ... + 78007507.

It is an arithmetic number, because the mean of its divisors is an integer number (117011259).

Almost surely, 2^312030022 is an apocalyptic number.

312030022 is a deficient number, since it is larger than the sum of its proper divisors (156015014).

312030022 is a wasteful number, since it uses less digits than its factorization.

312030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156015013.

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

The square root of 312030022 is about 17664.3715427411. The cubic root of 312030022 is about 678.2640423816.

Adding to 312030022 its reverse (220030213), we get a palindrome (532060235).

The spelling of 312030022 in words is "three hundred twelve million, thirty thousand, twenty-two".