13143423431133 has 6 divisors (see below), whose sum is σ = 18984944956094. Its totient is φ = 8762282287416.

The previous prime is 13143423431113. The next prime is 13143423431147. The reversal of 13143423431133 is 33113432434131.

13143423431133 is a `hidden beast` number, since 1 + 3 + 143 + 42 + 343 + 1 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9379598387769 + 3763825043364 = 3062613^2 + 1940058^2 .

It is not a de Polignac number, because 13143423431133 - 2⁸ = 13143423430877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143423431113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 730190190610 + ... + 730190190627.

Almost surely, 2^{13143423431133} is an apocalyptic number.

It is an amenable number.

13143423431133 is a deficient number, since it is larger than the sum of its proper divisors (5841521524961).

13143423431133 is a wasteful number, since it uses less digits than its factorization.

13143423431133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460380381243 (or 1460380381240 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

Adding to 13143423431133 its reverse (33113432434131), we get a palindrome (46256855865264).

The spelling of 13143423431133 in words is "thirteen trillion, one hundred forty-three billion, four hundred twenty-three million, four hundred thirty-one thousand, one hundred thirty-three".