31042411 has 4 divisors (see below), whose sum is σ = 31066000. Its totient is φ = 31018824.

The previous prime is 31042397. The next prime is 31042421. The reversal of 31042411 is 11424013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31042411 - 2⁷ = 31042283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31042421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9696 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (7766500).

Almost surely, 2^31042411 is an apocalyptic number.

31042411 is a deficient number, since it is larger than the sum of its proper divisors (23589).

31042411 is a wasteful number, since it uses less digits than its factorization.

31042411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23588.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 31042411 is about 5571.5716813122. The cubic root of 31042411 is about 314.2812570501.

Adding to 31042411 its reverse (11424013), we get a palindrome (42466424).

The spelling of 31042411 in words is "thirty-one million, forty-two thousand, four hundred eleven".