103123131101 has 4 divisors (see below), whose sum is σ = 103152674304. Its totient is φ = 103093587900.

The previous prime is 103123131091. The next prime is 103123131103. The reversal of 103123131101 is 101131321301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103123131101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103123131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103123131103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14766365 + ... + 14773346.

It is an arithmetic number, because the mean of its divisors is an integer number (25788168576).

Almost surely, 2^103123131101 is an apocalyptic number.

It is an amenable number.

103123131101 is a deficient number, since it is larger than the sum of its proper divisors (29543203).

103123131101 is an equidigital number, since it uses as much as digits as its factorization.

103123131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29543202.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 103123131101 its reverse (101131321301), we get a palindrome (204254452402).

It can be divided in two parts, 10312 and 3131101, that added together give a palindrome (3141413).

The spelling of 103123131101 in words is "one hundred three billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred one".