31842141 has 8 divisors (see below), whose sum is σ = 42868800. Its totient is φ = 21021792.

The previous prime is 31842137. The next prime is 31842149. The reversal of 31842141 is 14124813.

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

It is not a de Polignac number, because 31842141 - 2² = 31842137 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31842149) 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, 51216 + ... + 51833.

It is an arithmetic number, because the mean of its divisors is an integer number (5358600).

Almost surely, 2^31842141 is an apocalyptic number.

It is an amenable number.

31842141 is a deficient number, since it is larger than the sum of its proper divisors (11026659).

31842141 is a wasteful number, since it uses less digits than its factorization.

31842141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103155.

The product of its digits is 768, while the sum is 24.

The square root of 31842141 is about 5642.8841030097. The cubic root of 31842141 is about 316.9572963735.

Adding to 31842141 its reverse (14124813), we get a palindrome (45966954).

The spelling of 31842141 in words is "thirty-one million, eight hundred forty-two thousand, one hundred forty-one".