31442606 has 16 divisors (see below), whose sum is σ = 53466000. Its totient is φ = 13747968.

The previous prime is 31442591. The next prime is 31442617. The reversal of 31442606 is 60624413.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a congruent 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, 31331 + ... + 32318.

It is an arithmetic number, because the mean of its divisors is an integer number (3341625).

Almost surely, 2^31442606 is an apocalyptic number.

31442606 is a deficient number, since it is larger than the sum of its proper divisors (22023394).

31442606 is a wasteful number, since it uses less digits than its factorization.

31442606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63683.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 31442606 is about 5607.3706850894. The cubic root of 31442606 is about 315.6260531416.

The spelling of 31442606 in words is "thirty-one million, four hundred forty-two thousand, six hundred six".