31422130 has 16 divisors (see below), whose sum is σ = 56669184. Its totient is φ = 12544560.

The previous prime is 31422101. The next prime is 31422151. The reversal of 31422130 is 3122413.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2959 + ... + 8461.

It is an arithmetic number, because the mean of its divisors is an integer number (3541824).

Almost surely, 2^31422130 is an apocalyptic number.

31422130 is a deficient number, since it is larger than the sum of its proper divisors (25247054).

31422130 is a wasteful number, since it uses less digits than its factorization.

31422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 31422130 is about 5605.5445765777. The cubic root of 31422130 is about 315.5575244446.

Adding to 31422130 its reverse (3122413), we get a palindrome (34544543).

The spelling of 31422130 in words is "thirty-one million, four hundred twenty-two thousand, one hundred thirty".