103113031244251 has 4 divisors (see below), whose sum is σ = 117843464279152. Its totient is φ = 88382598209352.

The previous prime is 103113031244243. The next prime is 103113031244257. The reversal of 103113031244251 is 152442130311301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 103113031244251 - 2³ = 103113031244243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103113031244257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7365216517440 + ... + 7365216517453.

It is an arithmetic number, because the mean of its divisors is an integer number (29460866069788).

Almost surely, 2^{103113031244251} is an apocalyptic number.

103113031244251 is a deficient number, since it is larger than the sum of its proper divisors (14730433034901).

103113031244251 is an equidigital number, since it uses as much as digits as its factorization.

103113031244251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14730433034900.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 103113031244251 its reverse (152442130311301), we get a palindrome (255555161555552).

The spelling of 103113031244251 in words is "one hundred three trillion, one hundred thirteen billion, thirty-one million, two hundred forty-four thousand, two hundred fifty-one".