13431134125 has 64 divisors (see below), whose sum is σ = 17702193600. Its totient is φ = 10162713600.

The previous prime is 13431134099. The next prime is 13431134131. The reversal of 13431134125 is 52143113431.

It can be written as a sum of positive squares in 32 ways, for example, as 9917371396 + 3513762729 = 99586^2 + 59277^2 .

It is not a de Polignac number, because 13431134125 - 2¹⁵ = 13431101357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13431134093 and 13431134102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38484451 + ... + 38484799.

It is an arithmetic number, because the mean of its divisors is an integer number (276596775).

Almost surely, 2^13431134125 is an apocalyptic number.

It is an amenable number.

13431134125 is a deficient number, since it is larger than the sum of its proper divisors (4271059475).

13431134125 is a wasteful number, since it uses less digits than its factorization.

13431134125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 601 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

Adding to 13431134125 its reverse (52143113431), we get a palindrome (65574247556).

The spelling of 13431134125 in words is "thirteen billion, four hundred thirty-one million, one hundred thirty-four thousand, one hundred twenty-five".