31427044 has 24 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 14218080.

The previous prime is 31427027. The next prime is 31427089. The reversal of 31427044 is 44072413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8517 + ... + 11635.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 2^31427044 is an apocalyptic number.

It is an amenable number.

31427044 is a deficient number, since it is larger than the sum of its proper divisors (28851356).

31427044 is a wasteful number, since it uses less digits than its factorization.

31427044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3363 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 31427044 is about 5605.9828754644. The cubic root of 31427044 is about 315.5739732430.

Adding to 31427044 its reverse (44072413), we get a palindrome (75499457).

The spelling of 31427044 in words is "thirty-one million, four hundred twenty-seven thousand, forty-four".