13103305425 has 36 divisors (see below), whose sum is σ = 26822261440. Its totient is φ = 5990081760.

The previous prime is 13103305417. The next prime is 13103305429. The reversal of 13103305425 is 52450330131.

13103305425 is a `hidden beast` number, since 1 + 310 + 3 + 305 + 42 + 5 = 666.

It is not a de Polignac number, because 13103305425 - 2³ = 13103305417 is a prime.

It is a super-2 number, since 2×13103305425² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13103305429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4158205 + ... + 4161354.

Almost surely, 2^13103305425 is an apocalyptic number.

13103305425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13103305425 is an abundant number, since it is smaller than the sum of its proper divisors (13718956015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103305425 is a wasteful number, since it uses less digits than its factorization.

13103305425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8319582 (or 8319574 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 13103305425 its reverse (52450330131), we get a palindrome (65553635556).

The spelling of 13103305425 in words is "thirteen billion, one hundred three million, three hundred five thousand, four hundred twenty-five".