1131132113 has 2 divisors, whose sum is σ = 1131132114. Its totient is φ = 1131132112.

The previous prime is 1131132083. The next prime is 1131132139. The reversal of 1131132113 is 3112311311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127414929 + 3717184 = 33577^2 + 1928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131132113 - 2²⁴ = 1114354897 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131132091 and 1131132100.

It is not a weakly prime, because it can be changed into another prime (1131132193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565566056 + 565566057.

It is an arithmetic number, because the mean of its divisors is an integer number (565566057).

Almost surely, 2^1131132113 is an apocalyptic number.

It is an amenable number.

1131132113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131132113 is an equidigital number, since it uses as much as digits as its factorization.

1131132113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54, while the sum is 17.

The square root of 1131132113 is about 33632.3075776849. The cubic root of 1131132113 is about 1041.9281639070.

Adding to 1131132113 its reverse (3112311311), we get a palindrome (4243443424).

The spelling of 1131132113 in words is "one billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred thirteen".