31340141 has 8 divisors (see below), whose sum is σ = 36308544. Its totient is φ = 26494560.

The previous prime is 31340093. The next prime is 31340143. The reversal of 31340141 is 14104313.

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 31340141 - 2¹⁸ = 31077997 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 (31340143) 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, 30155 + ... + 31176.

It is an arithmetic number, because the mean of its divisors is an integer number (4538568).

Almost surely, 2^31340141 is an apocalyptic number.

It is an amenable number.

31340141 is a deficient number, since it is larger than the sum of its proper divisors (4968403).

31340141 is an equidigital number, since it uses as much as digits as its factorization.

31340141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61411.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31340141 is about 5598.2265941993. The cubic root of 31340141 is about 315.2828265257.

Adding to 31340141 its reverse (14104313), we get a palindrome (45444454).

The spelling of 31340141 in words is "thirty-one million, three hundred forty thousand, one hundred forty-one".