31422027 has 16 divisors (see below), whose sum is σ = 51564800. Its totient is φ = 16574112.

The previous prime is 31422019. The next prime is 31422037. The reversal of 31422027 is 72022413.

It is not a de Polignac number, because 31422027 - 2³ = 31422019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 31421994 and 31422012.

It is not an unprimeable number, because it can be changed into a prime (31422007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57277 + ... + 57822.

It is an arithmetic number, because the mean of its divisors is an integer number (3222800).

Almost surely, 2^31422027 is an apocalyptic number.

31422027 is a deficient number, since it is larger than the sum of its proper divisors (20142773).

31422027 is a wasteful number, since it uses less digits than its factorization.

31422027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115122.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 31422027 is about 5605.5353892380. The cubic root of 31422027 is about 315.5571796508.

The spelling of 31422027 in words is "thirty-one million, four hundred twenty-two thousand, twenty-seven".