103431739 has 2 divisors, whose sum is σ = 103431740. Its totient is φ = 103431738.

The previous prime is 103431737. The next prime is 103431751. The reversal of 103431739 is 937134301.

It is a weak prime.

It is an emirp because it is prime and its reverse (937134301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103431739 - 2¹ = 103431737 is a prime.

Together with 103431737, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 103431739.

It is not a weakly prime, because it can be changed into another prime (103431733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715869 + 51715870.

It is an arithmetic number, because the mean of its divisors is an integer number (51715870).

Almost surely, 2^103431739 is an apocalyptic number.

103431739 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431739 is an equidigital number, since it uses as much as digits as its factorization.

103431739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 103431739 is about 10170.1395762300. The cubic root of 103431739 is about 469.4088523832.

The spelling of 103431739 in words is "one hundred three million, four hundred thirty-one thousand, seven hundred thirty-nine".