31534103 has 2 divisors, whose sum is σ = 31534104. Its totient is φ = 31534102.

The previous prime is 31534079. The next prime is 31534117. The reversal of 31534103 is 30143513.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31534103 - 2⁸ = 31533847 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31534183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15767051 + 15767052.

It is an arithmetic number, because the mean of its divisors is an integer number (15767052).

Almost surely, 2^31534103 is an apocalyptic number.

31534103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31534103 is an equidigital number, since it uses as much as digits as its factorization.

31534103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 31534103 is about 5615.5233950185. The cubic root of 31534103 is about 315.9319106354.

Adding to 31534103 its reverse (30143513), we get a palindrome (61677616).

The spelling of 31534103 in words is "thirty-one million, five hundred thirty-four thousand, one hundred three".