103103143131 has 4 divisors (see below), whose sum is σ = 137470857512. Its totient is φ = 68735428752.

The previous prime is 103103143111. The next prime is 103103143147. The reversal of 103103143131 is 131341301301.

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

It is not a de Polignac number, because 103103143131 - 2¹⁴ = 103103126747 is a prime.

It is a super-2 number, since 2×103103143131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103103143098 and 103103143107.

It is not an unprimeable number, because it can be changed into a prime (103103143111) 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, 17183857186 + ... + 17183857191.

It is an arithmetic number, because the mean of its divisors is an integer number (34367714378).

Almost surely, 2^103103143131 is an apocalyptic number.

103103143131 is a deficient number, since it is larger than the sum of its proper divisors (34367714381).

103103143131 is an equidigital number, since it uses as much as digits as its factorization.

103103143131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34367714380.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103103143131 its reverse (131341301301), we get a palindrome (234444444432).

The spelling of 103103143131 in words is "one hundred three billion, one hundred three million, one hundred forty-three thousand, one hundred thirty-one".