103042031 has 2 divisors, whose sum is σ = 103042032. Its totient is φ = 103042030.

The previous prime is 103042021. The next prime is 103042057. The reversal of 103042031 is 130240301.

It is a weak prime.

It is an emirp because it is prime and its reverse (130240301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103042031 - 2¹⁰ = 103041007 is a prime.

It is a super-2 number, since 2×103042031² = 21235320305209922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103041997 and 103042015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103042021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51521015 + 51521016.

It is an arithmetic number, because the mean of its divisors is an integer number (51521016).

Almost surely, 2^103042031 is an apocalyptic number.

103042031 is a deficient number, since it is larger than the sum of its proper divisors (1).

103042031 is an equidigital number, since it uses as much as digits as its factorization.

103042031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103042031 is about 10150.9620726313. The cubic root of 103042031 is about 468.8185673682.

Adding to 103042031 its reverse (130240301), we get a palindrome (233282332).

The spelling of 103042031 in words is "one hundred three million, forty-two thousand, thirty-one".