13125502031 has 8 divisors (see below), whose sum is σ = 13160752128. Its totient is φ = 13090275000.

The previous prime is 13125501997. The next prime is 13125502073. The reversal of 13125502031 is 13020552131.

It is a happy number.

13125502031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13125502031 is a prime.

It is a super-2 number, since 2×13125502031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13125501988 and 13125502006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125502931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130806 + ... + 2136956.

It is an arithmetic number, because the mean of its divisors is an integer number (1645094016).

Almost surely, 2^13125502031 is an apocalyptic number.

13125502031 is a deficient number, since it is larger than the sum of its proper divisors (35250097).

13125502031 is an equidigital number, since it uses as much as digits as its factorization.

13125502031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11533.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 13125502031 in words is "thirteen billion, one hundred twenty-five million, five hundred two thousand, thirty-one".