13135125032331 has 4 divisors (see below), whose sum is σ = 17513500043112. Its totient is φ = 8756750021552.

The previous prime is 13135125032329. The next prime is 13135125032461. The reversal of 13135125032331 is 13323052153131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13135125032331 - 2¹ = 13135125032329 is a prime.

It is a super-2 number, since 2×13135125032331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13135125032292 and 13135125032301.

It is not an unprimeable number, because it can be changed into a prime (13135125032311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189187505386 + ... + 2189187505391.

It is an arithmetic number, because the mean of its divisors is an integer number (4378375010778).

Almost surely, 2^{13135125032331} is an apocalyptic number.

13135125032331 is a deficient number, since it is larger than the sum of its proper divisors (4378375010781).

13135125032331 is an equidigital number, since it uses as much as digits as its factorization.

13135125032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378375010780.

The product of its (nonzero) digits is 24300, while the sum is 33.

Adding to 13135125032331 its reverse (13323052153131), we get a palindrome (26458177185462).

The spelling of 13135125032331 in words is "thirteen trillion, one hundred thirty-five billion, one hundred twenty-five million, thirty-two thousand, three hundred thirty-one".