31335531441101 has 8 divisors (see below), whose sum is σ = 32100024459384. Its totient is φ = 30571048506880.

The previous prime is 31335531441091. The next prime is 31335531441161. The reversal of 31335531441101 is 10114413553313.

It can be written as a sum of positive squares in 4 ways, for example, as 505164141001 + 30830367300100 = 710749^2 + 5552510^2 .

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 31335531441101 - 2³⁴ = 31318351571917 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 (31335531441161) 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, 3971141 + ... + 8856693.

It is an arithmetic number, because the mean of its divisors is an integer number (4012503057423).

Almost surely, 2^{31335531441101} is an apocalyptic number.

It is an amenable number.

31335531441101 is a deficient number, since it is larger than the sum of its proper divisors (764493018283).

31335531441101 is a wasteful number, since it uses less digits than its factorization.

31335531441101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042031.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 31335531441101 its reverse (10114413553313), we get a palindrome (41449944994414).

The spelling of 31335531441101 in words is "thirty-one trillion, three hundred thirty-five billion, five hundred thirty-one million, four hundred forty-one thousand, one hundred one".