1131303101 has 2 divisors, whose sum is σ = 1131303102. Its totient is φ = 1131303100.

The previous prime is 1131303067. The next prime is 1131303109. The reversal of 1131303101 is 1013031311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815388025 + 315915076 = 28555^2 + 17774^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131303101 - 2³⁰ = 57561277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131303109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565651550 + 565651551.

It is an arithmetic number, because the mean of its divisors is an integer number (565651551).

Almost surely, 2^1131303101 is an apocalyptic number.

It is an amenable number.

1131303101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131303101 is an equidigital number, since it uses as much as digits as its factorization.

1131303101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 1131303101 is about 33634.8495016701. The cubic root of 1131303101 is about 1041.9806624125.

Adding to 1131303101 its reverse (1013031311), we get a palindrome (2144334412).

The spelling of 1131303101 in words is "one billion, one hundred thirty-one million, three hundred three thousand, one hundred one".