31366141 has 8 divisors (see below), whose sum is σ = 32442368. Its totient is φ = 30294000.

The previous prime is 31366123. The next prime is 31366163. The reversal of 31366141 is 14166313.

It is a happy number.

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 31366141 - 2⁵ = 31366109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31366171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30211 + ... + 31231.

It is an arithmetic number, because the mean of its divisors is an integer number (4055296).

Almost surely, 2^31366141 is an apocalyptic number.

31366141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31366141 is a deficient number, since it is larger than the sum of its proper divisors (1076227).

31366141 is a wasteful number, since it uses less digits than its factorization.

31366141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043.

The product of its digits is 1296, while the sum is 25.

The square root of 31366141 is about 5600.5482767315. The cubic root of 31366141 is about 315.3699893719.

The spelling of 31366141 in words is "thirty-one million, three hundred sixty-six thousand, one hundred forty-one".