103031239 has 2 divisors, whose sum is σ = 103031240. Its totient is φ = 103031238.

The previous prime is 103031231. The next prime is 103031249. The reversal of 103031239 is 932130301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103031239 - 2³ = 103031231 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 (103031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515619 + 51515620.

It is an arithmetic number, because the mean of its divisors is an integer number (51515620).

Almost surely, 2^103031239 is an apocalyptic number.

103031239 is a deficient number, since it is larger than the sum of its proper divisors (1).

103031239 is an equidigital number, since it uses as much as digits as its factorization.

103031239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 103031239 is about 10150.4304834820. The cubic root of 103031239 is about 468.8021997217.

The spelling of 103031239 in words is "one hundred three million, thirty-one thousand, two hundred thirty-nine".