1131301219 has 2 divisors, whose sum is σ = 1131301220. Its totient is φ = 1131301218.

The previous prime is 1131301169. The next prime is 1131301243. The reversal of 1131301219 is 9121031311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131301219 - 2¹⁷ = 1131170147 is a prime.

It is a super-2 number, since 2×1131301219² = 2559684896221771922, 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 1131301219.

It is not a weakly prime, because it can be changed into another prime (1131301279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565650609 + 565650610.

It is an arithmetic number, because the mean of its divisors is an integer number (565650610).

Almost surely, 2^1131301219 is an apocalyptic number.

1131301219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131301219 is an equidigital number, since it uses as much as digits as its factorization.

1131301219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1131301219 is about 33634.8215247235. The cubic root of 1131301219 is about 1041.9800846102.

The spelling of 1131301219 in words is "one billion, one hundred thirty-one million, three hundred one thousand, two hundred nineteen".