31240324244441 has 8 divisors (see below), whose sum is σ = 33643837438344. Its totient is φ = 28836869811840.

The previous prime is 31240324244431. The next prime is 31240324244453. The reversal of 31240324244441 is 14444242304213.

It can be written as a sum of positive squares in 4 ways, for example, as 2547471366400 + 28692852878041 = 1596080^2 + 5356571^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31240324244441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31240324244395 and 31240324244404.

It is not an unprimeable number, because it can be changed into a prime (31240324244431) 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, 13583036 + ... + 15715581.

It is an arithmetic number, because the mean of its divisors is an integer number (4205479679793).

Almost surely, 2^{31240324244441} is an apocalyptic number.

It is an amenable number.

31240324244441 is a deficient number, since it is larger than the sum of its proper divisors (2403513193903).

31240324244441 is a wasteful number, since it uses less digits than its factorization.

31240324244441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29380651.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 31240324244441 its reverse (14444242304213), we get a palindrome (45684566548654).

The spelling of 31240324244441 in words is "thirty-one trillion, two hundred forty billion, three hundred twenty-four million, two hundred forty-four thousand, four hundred forty-one".