31431041 has 8 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 29027152.

The previous prime is 31431031. The next prime is 31431121. The reversal of 31431041 is 14013413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31431041 - 2¹⁰ = 31430017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31431031) 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, 22895 + ... + 24228.

It is an arithmetic number, because the mean of its divisors is an integer number (4241160).

Almost surely, 2^31431041 is an apocalyptic number.

It is an amenable number.

31431041 is a deficient number, since it is larger than the sum of its proper divisors (2498239).

31431041 is a wasteful number, since it uses less digits than its factorization.

31431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47175.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31431041 is about 5606.3393582622. The cubic root of 31431041 is about 315.5873512718.

Adding to 31431041 its reverse (14013413), we get a palindrome (45444454).

The spelling of 31431041 in words is "thirty-one million, four hundred thirty-one thousand, forty-one".