31342141 has 8 divisors (see below), whose sum is σ = 32256224. Its totient is φ = 30436560.

The previous prime is 31342139. The next prime is 31342159. The reversal of 31342141 is 14124313.

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 31342141 - 2¹ = 31342139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5770 + ... + 9796.

It is an arithmetic number, because the mean of its divisors is an integer number (4032028).

Almost surely, 2^31342141 is an apocalyptic number.

It is an amenable number.

31342141 is a deficient number, since it is larger than the sum of its proper divisors (914083).

31342141 is a wasteful number, since it uses less digits than its factorization.

31342141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251.

The product of its digits is 288, while the sum is 19.

The square root of 31342141 is about 5598.4052193460. The cubic root of 31342141 is about 315.2895330711.

Adding to 31342141 its reverse (14124313), we get a palindrome (45466454).

The spelling of 31342141 in words is "thirty-one million, three hundred forty-two thousand, one hundred forty-one".