1131113353 has 2 divisors, whose sum is σ = 1131113354. Its totient is φ = 1131113352.

The previous prime is 1131113281. The next prime is 1131113387. The reversal of 1131113353 is 3533111311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 975437824 + 155675529 = 31232^2 + 12477^2 .

It is an emirp because it is prime and its reverse (3533111311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131113353 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131113653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565556676 + 565556677.

It is an arithmetic number, because the mean of its divisors is an integer number (565556677).

Almost surely, 2^1131113353 is an apocalyptic number.

It is an amenable number.

1131113353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131113353 is an equidigital number, since it uses as much as digits as its factorization.

1131113353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 405, while the sum is 22.

The square root of 1131113353 is about 33632.0286780325. The cubic root of 1131113353 is about 1041.9224036955.

Adding to 1131113353 its reverse (3533111311), we get a palindrome (4664224664).

The spelling of 1131113353 in words is "one billion, one hundred thirty-one million, one hundred thirteen thousand, three hundred fifty-three".