1131301333 has 2 divisors, whose sum is σ = 1131301334. Its totient is φ = 1131301332.

The previous prime is 1131301309. The next prime is 1131301343. The reversal of 1131301333 is 3331031311.

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., 1075380849 + 55920484 = 32793^2 + 7478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131301333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131301333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131301343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565650666 + 565650667.

It is an arithmetic number, because the mean of its divisors is an integer number (565650667).

Almost surely, 2^1131301333 is an apocalyptic number.

It is an amenable number.

1131301333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131301333 is an equidigital number, since it uses as much as digits as its factorization.

1131301333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 19.

The square root of 1131301333 is about 33634.8232193957. The cubic root of 1131301333 is about 1041.9801196099.

Adding to 1131301333 its reverse (3331031311), we get a palindrome (4462332644).

The spelling of 1131301333 in words is "one billion, one hundred thirty-one million, three hundred one thousand, three hundred thirty-three".