31040041 has 8 divisors (see below), whose sum is σ = 32445504. Its totient is φ = 29639280.

The previous prime is 31040029. The next prime is 31040047. The reversal of 31040041 is 14004013.

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 31040041 - 2¹³ = 31031849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31040047) 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, 24475 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (4055688).

Almost surely, 2^31040041 is an apocalyptic number.

It is an amenable number.

31040041 is a deficient number, since it is larger than the sum of its proper divisors (1405463).

31040041 is a wasteful number, since it uses less digits than its factorization.

31040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 31040041 is about 5571.3589904080. The cubic root of 31040041 is about 314.2732586858.

Adding to 31040041 its reverse (14004013), we get a palindrome (45044054).

The spelling of 31040041 in words is "thirty-one million, forty thousand, forty-one".