1131113 has 2 divisors, whose sum is σ = 1131114. Its totient is φ = 1131112.

The previous prime is 1131103. The next prime is 1131121. The reversal of 1131113 is 3111311.

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., 1087849 + 43264 = 1043^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131113 - 2⁶ = 1131049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131094 and 1131103.

It is not a weakly prime, because it can be changed into another prime (1131103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565556 + 565557.

It is an arithmetic number, because the mean of its divisors is an integer number (565557).

2^1131113 is an apocalyptic number.

It is an amenable number.

1131113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131113 is an equidigital number, since it uses as much as digits as its factorization.

1131113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9, while the sum is 11.

The square root of 1131113 is about 1063.5379635913. The cubic root of 1131113 is about 104.1922295307.

Adding to 1131113 its reverse (3111311), we get a palindrome (4242424).

It can be divided in two parts, 11 and 31113, that multiplied together give a palindrome (342243).

The spelling of 1131113 in words is "one million, one hundred thirty-one thousand, one hundred thirteen".