1131473219 has 2 divisors, whose sum is σ = 1131473220. Its totient is φ = 1131473218.

The previous prime is 1131473183. The next prime is 1131473227. The reversal of 1131473219 is 9123741311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131473219 - 2²⁰ = 1130424643 is a prime.

It is a super-2 number, since 2×1131473219² = 2560463290628443922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1131473249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565736609 + 565736610.

It is an arithmetic number, because the mean of its divisors is an integer number (565736610).

Almost surely, 2^1131473219 is an apocalyptic number.

1131473219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131473219 is an equidigital number, since it uses as much as digits as its factorization.

1131473219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 1131473219 is about 33637.3783015264. The cubic root of 1131473219 is about 1042.0328885524.

The spelling of 1131473219 in words is "one billion, one hundred thirty-one million, four hundred seventy-three thousand, two hundred nineteen".