1133310421 has 2 divisors, whose sum is σ = 1133310422. Its totient is φ = 1133310420.

The previous prime is 1133310377. The next prime is 1133310523. The reversal of 1133310421 is 1240133311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 791578225 + 341732196 = 28135^2 + 18486^2 .

It is an emirp because it is prime and its reverse (1240133311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1133310421 - 2¹¹ = 1133308373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133310721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566655210 + 566655211.

It is an arithmetic number, because the mean of its divisors is an integer number (566655211).

Almost surely, 2^1133310421 is an apocalyptic number.

It is an amenable number.

1133310421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133310421 is an equidigital number, since it uses as much as digits as its factorization.

1133310421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1133310421 is about 33664.6761606287. The cubic root of 1133310421 is about 1042.5965753876.

Adding to 1133310421 its reverse (1240133311), we get a palindrome (2373443732).

The spelling of 1133310421 in words is "one billion, one hundred thirty-three million, three hundred ten thousand, four hundred twenty-one".