13131230201233 has 4 divisors (see below), whose sum is σ = 13134249573300. Its totient is φ = 13128210829168.

The previous prime is 13131230201207. The next prime is 13131230201237. The reversal of 13131230201233 is 33210203213131.

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 7198853892624 + 5932376308609 = 2683068^2 + 2435647^2 .

It is a cyclic number.

It is not a de Polignac number, because 13131230201233 - 2³³ = 13122640266641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13131230201198 and 13131230201207.

It is not an unprimeable number, because it can be changed into a prime (13131230201237) 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, 1509679510 + ... + 1509688207.

It is an arithmetic number, because the mean of its divisors is an integer number (3283562393325).

Almost surely, 2^{13131230201233} is an apocalyptic number.

It is an amenable number.

13131230201233 is a deficient number, since it is larger than the sum of its proper divisors (3019372067).

13131230201233 is an equidigital number, since it uses as much as digits as its factorization.

13131230201233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3019372066.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13131230201233 its reverse (33210203213131), we get a palindrome (46341433414364).

The spelling of 13131230201233 in words is "thirteen trillion, one hundred thirty-one billion, two hundred thirty million, two hundred one thousand, two hundred thirty-three".