13143231235325 has 12 divisors (see below), whose sum is σ = 16298149167540. Its totient is φ = 10514235029760.

The previous prime is 13143231235279. The next prime is 13143231235339. The reversal of 13143231235325 is 52353213234131.

13143231235325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 3028929505924 + 10114301729401 = 1740382^2 + 3180299^2 .

It is not a de Polignac number, because 13143231235325 - 2²⁶ = 13143164126461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7981490 + ... + 9486339.

It is an arithmetic number, because the mean of its divisors is an integer number (1358179097295).

Almost surely, 2^{13143231235325} is an apocalyptic number.

It is an amenable number.

13143231235325 is a deficient number, since it is larger than the sum of its proper divisors (3154917932215).

13143231235325 is a wasteful number, since it uses less digits than its factorization.

13143231235325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17497936 (or 17497931 counting only the distinct ones).

The product of its digits is 194400, while the sum is 38.

Adding to 13143231235325 its reverse (52353213234131), we get a palindrome (65496444469456).

The spelling of 13143231235325 in words is "thirteen trillion, one hundred forty-three billion, two hundred thirty-one million, two hundred thirty-five thousand, three hundred twenty-five".