30031422 has 16 divisors (see below), whose sum is σ = 62674560. Its totient is φ = 9575192.

The previous prime is 30031403. The next prime is 30031423. The reversal of 30031422 is 22413003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30031423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108672 + ... + 108947.

It is an arithmetic number, because the mean of its divisors is an integer number (3917160).

Almost surely, 2^30031422 is an apocalyptic number.

30031422 is an abundant number, since it is smaller than the sum of its proper divisors (32643138).

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

30031422 is a wasteful number, since it uses less digits than its factorization.

30031422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217647.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30031422 is about 5480.0932473818. The cubic root of 30031422 is about 310.8316965863.

Adding to 30031422 its reverse (22413003), we get a palindrome (52444425).

The spelling of 30031422 in words is "thirty million, thirty-one thousand, four hundred twenty-two".