103251243613 has 6 divisors (see below), whose sum is σ = 120108589566. Its totient is φ = 88501065912.

The previous prime is 103251243611. The next prime is 103251243631. The reversal of 103251243613 is 316342152301.

It can be written as a sum of positive squares in only one way, i.e., 77282888004 + 25968355609 = 277998^2 + 161147^2 .

It is not a de Polignac number, because 103251243613 - 2¹ = 103251243611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103251243611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1053584070 + ... + 1053584167.

It is an arithmetic number, because the mean of its divisors is an integer number (20018098261).

Almost surely, 2^103251243613 is an apocalyptic number.

It is an amenable number.

103251243613 is a deficient number, since it is larger than the sum of its proper divisors (16857345953).

103251243613 is an equidigital number, since it uses as much as digits as its factorization.

103251243613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107168251 (or 2107168244 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 103251243613 its reverse (316342152301), we get a palindrome (419593395914).

The spelling of 103251243613 in words is "one hundred three billion, two hundred fifty-one million, two hundred forty-three thousand, six hundred thirteen".