13131442234433 has 4 divisors (see below), whose sum is σ = 13200193241088. Its totient is φ = 13062691227780.

The previous prime is 13131442234409. The next prime is 13131442234451. The reversal of 13131442234433 is 33443224413131.

13131442234433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13131442234433 - 2¹⁸ = 13131441972289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131442434433) 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, 34375503041 + ... + 34375503422.

It is an arithmetic number, because the mean of its divisors is an integer number (3300048310272).

Almost surely, 2^{13131442234433} is an apocalyptic number.

It is an amenable number.

13131442234433 is a deficient number, since it is larger than the sum of its proper divisors (68751006655).

13131442234433 is an equidigital number, since it uses as much as digits as its factorization.

13131442234433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68751006654.

The product of its digits is 248832, while the sum is 38.

Adding to 13131442234433 its reverse (33443224413131), we get a palindrome (46574666647564).

The spelling of 13131442234433 in words is "thirteen trillion, one hundred thirty-one billion, four hundred forty-two million, two hundred thirty-four thousand, four hundred thirty-three".