1103431117 has 2 divisors, whose sum is σ = 1103431118. Its totient is φ = 1103431116.

The previous prime is 1103431103. The next prime is 1103431123. The reversal of 1103431117 is 7111343011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100978761 + 2452356 = 33181^2 + 1566^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103431117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103431177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551715558 + 551715559.

It is an arithmetic number, because the mean of its divisors is an integer number (551715559).

Almost surely, 2^1103431117 is an apocalyptic number.

It is an amenable number.

1103431117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103431117 is an equidigital number, since it uses as much as digits as its factorization.

1103431117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1103431117 is about 33217.9336654163. The cubic root of 1103431117 is about 1033.3522965534.

Adding to 1103431117 its reverse (7111343011), we get a palindrome (8214774128).

The spelling of 1103431117 in words is "one billion, one hundred three million, four hundred thirty-one thousand, one hundred seventeen".