31678041 has 4 divisors (see below), whose sum is σ = 42237392. Its totient is φ = 21118692.

The previous prime is 31678039. The next prime is 31678043. The reversal of 31678041 is 14087613.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (31678039) and next prime (31678043).

It is not a de Polignac number, because 31678041 - 2¹ = 31678039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31678043) 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, 5279671 + ... + 5279676.

It is an arithmetic number, because the mean of its divisors is an integer number (10559348).

Almost surely, 2^31678041 is an apocalyptic number.

It is an amenable number.

31678041 is a deficient number, since it is larger than the sum of its proper divisors (10559351).

31678041 is a wasteful number, since it uses less digits than its factorization.

31678041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559350.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 31678041 is about 5628.3248840130. The cubic root of 31678041 is about 316.4118734699.

The spelling of 31678041 in words is "thirty-one million, six hundred seventy-eight thousand, forty-one".