103403442031 has 2 divisors, whose sum is σ = 103403442032. Its totient is φ = 103403442030.

The previous prime is 103403442029. The next prime is 103403442047. The reversal of 103403442031 is 130244304301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103403442031 - 2¹ = 103403442029 is a prime.

It is a super-2 number, since 2×103403442031² (a number of 23 digits) contains 22 as substring.

Together with 103403442029, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103403441987 and 103403442005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103403442001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51701721015 + 51701721016.

It is an arithmetic number, because the mean of its divisors is an integer number (51701721016).

Almost surely, 2^103403442031 is an apocalyptic number.

103403442031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103403442031 is an equidigital number, since it uses as much as digits as its factorization.

103403442031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 103403442031 its reverse (130244304301), we get a palindrome (233647746332).

The spelling of 103403442031 in words is "one hundred three billion, four hundred three million, four hundred forty-two thousand, thirty-one".