312422142 has 8 divisors (see below), whose sum is σ = 624844296. Its totient is φ = 104140712.

The previous prime is 312422101. The next prime is 312422147. The reversal of 312422142 is 241224213.

It is a sphenic number, since it is the product of 3 distinct primes.

312422142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312422147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26035173 + ... + 26035184.

It is an arithmetic number, because the mean of its divisors is an integer number (78105537).

Almost surely, 2^312422142 is an apocalyptic number.

312422142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

312422142 is a wasteful number, since it uses less digits than its factorization.

312422142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52070362.

The product of its digits is 768, while the sum is 21.

The square root of 312422142 is about 17675.4672356914. The cubic root of 312422142 is about 678.5480423672.

Adding to 312422142 its reverse (241224213), we get a palindrome (553646355).

The spelling of 312422142 in words is "three hundred twelve million, four hundred twenty-two thousand, one hundred forty-two".