103144235413 has 4 divisors (see below), whose sum is σ = 103277669868. Its totient is φ = 103010800960.

The previous prime is 103144235399. The next prime is 103144235581. The reversal of 103144235413 is 314532441301.

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 29115620689 + 74028614724 = 170633^2 + 272082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103144235413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103144235213) 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 3 ways as a sum of consecutive naturals, for example, 66716068 + ... + 66717613.

It is an arithmetic number, because the mean of its divisors is an integer number (25819417467).

Almost surely, 2^103144235413 is an apocalyptic number.

It is an amenable number.

103144235413 is a deficient number, since it is larger than the sum of its proper divisors (133434455).

103144235413 is an equidigital number, since it uses as much as digits as its factorization.

103144235413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133434454.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 103144235413 its reverse (314532441301), we get a palindrome (417676676714).

The spelling of 103144235413 in words is "one hundred three billion, one hundred forty-four million, two hundred thirty-five thousand, four hundred thirteen".