103451435513 has 4 divisors (see below), whose sum is σ = 103467634020. Its totient is φ = 103435237008.

The previous prime is 103451435453. The next prime is 103451435533. The reversal of 103451435513 is 315534154301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19054213369 + 84397222144 = 138037^2 + 290512^2 .

It is a cyclic number.

It is not a de Polignac number, because 103451435513 - 2⁸ = 103451435257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103451435533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8089670 + ... + 8102447.

It is an arithmetic number, because the mean of its divisors is an integer number (25866908505).

Almost surely, 2^103451435513 is an apocalyptic number.

It is an amenable number.

103451435513 is a deficient number, since it is larger than the sum of its proper divisors (16198507).

103451435513 is an equidigital number, since it uses as much as digits as its factorization.

103451435513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16198506.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 103451435513 its reverse (315534154301), we get a palindrome (418985589814).

The spelling of 103451435513 in words is "one hundred three billion, four hundred fifty-one million, four hundred thirty-five thousand, five hundred thirteen".