31104441131333 has 4 divisors (see below), whose sum is σ = 31691317379148. Its totient is φ = 30517564883520.

The previous prime is 31104441131299. The next prime is 31104441131419. The reversal of 31104441131333 is 33313114440113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13710853735489 + 17393587395844 = 3702817^2 + 4170562^2 .

It is a cyclic number.

It is not a de Polignac number, because 31104441131333 - 2²² = 31104436937029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31104441131333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31104441101333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293438123828 + ... + 293438123933.

It is an arithmetic number, because the mean of its divisors is an integer number (7922829344787).

Almost surely, 2^{31104441131333} is an apocalyptic number.

It is an amenable number.

31104441131333 is a deficient number, since it is larger than the sum of its proper divisors (586876247815).

31104441131333 is an equidigital number, since it uses as much as digits as its factorization.

31104441131333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586876247814.

The product of its (nonzero) digits is 15552, while the sum is 32.

Adding to 31104441131333 its reverse (33313114440113), we get a palindrome (64417555571446).

The spelling of 31104441131333 in words is "thirty-one trillion, one hundred four billion, four hundred forty-one million, one hundred thirty-one thousand, three hundred thirty-three".