1231132103 has 2 divisors, whose sum is σ = 1231132104. Its totient is φ = 1231132102.

The previous prime is 1231132081. The next prime is 1231132121. The reversal of 1231132103 is 3012311321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1231132103 - 2¹⁴ = 1231115719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231132153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615566051 + 615566052.

It is an arithmetic number, because the mean of its divisors is an integer number (615566052).

Almost surely, 2^1231132103 is an apocalyptic number.

1231132103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231132103 is an equidigital number, since it uses as much as digits as its factorization.

1231132103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1231132103 is about 35087.4921161373. The cubic root of 1231132103 is about 1071.7698902652.

Adding to 1231132103 its reverse (3012311321), we get a palindrome (4243443424).

The spelling of 1231132103 in words is "one billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred three".