103431101 has 2 divisors, whose sum is σ = 103431102. Its totient is φ = 103431100.

The previous prime is 103431091. The next prime is 103431103. The reversal of 103431101 is 101134301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 32787076 = 8405^2 + 5726^2 .

It is an emirp because it is prime and its reverse (101134301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103431101 - 2¹⁰ = 103430077 is a prime.

It is a Sophie Germain prime.

Together with 103431103, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103431103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51715550 + 51715551.

It is an arithmetic number, because the mean of its divisors is an integer number (51715551).

Almost surely, 2^103431101 is an apocalyptic number.

It is an amenable number.

103431101 is a deficient number, since it is larger than the sum of its proper divisors (1).

103431101 is an equidigital number, since it uses as much as digits as its factorization.

103431101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 103431101 is about 10170.1082098471. The cubic root of 103431101 is about 469.4078872266.

Adding to 103431101 its reverse (101134301), we get a palindrome (204565402).

The spelling of 103431101 in words is "one hundred three million, four hundred thirty-one thousand, one hundred one".