1133311481 has 2 divisors, whose sum is σ = 1133311482. Its totient is φ = 1133311480.

The previous prime is 1133311469. The next prime is 1133311519. The reversal of 1133311481 is 1841133311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712035856 + 421275625 = 26684^2 + 20525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133311481 is a prime.

It is a super-2 number, since 2×1133311481² = 2568789825932826722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1133311481.

It is not a weakly prime, because it can be changed into another prime (1133311441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566655740 + 566655741.

It is an arithmetic number, because the mean of its divisors is an integer number (566655741).

Almost surely, 2^1133311481 is an apocalyptic number.

It is an amenable number.

1133311481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133311481 is an equidigital number, since it uses as much as digits as its factorization.

1133311481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 1133311481 is about 33664.6919041301. The cubic root of 1133311481 is about 1042.5969004389.

Adding to 1133311481 its reverse (1841133311), we get a palindrome (2974444792).

The spelling of 1133311481 in words is "one billion, one hundred thirty-three million, three hundred eleven thousand, four hundred eighty-one".