1131133319 has 4 divisors (see below), whose sum is σ = 1131440544. Its totient is φ = 1130826096.

The previous prime is 1131133291. The next prime is 1131133343. The reversal of 1131133319 is 9133311311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131133319 is a prime.

It is a super-2 number, since 2×1131133319² = 2558925170703911522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131132319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148022 + ... + 155475.

It is an arithmetic number, because the mean of its divisors is an integer number (282860136).

Almost surely, 2^1131133319 is an apocalyptic number.

1131133319 is a deficient number, since it is larger than the sum of its proper divisors (307225).

1131133319 is an equidigital number, since it uses as much as digits as its factorization.

1131133319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307224.

The product of its digits is 729, while the sum is 26.

The square root of 1131133319 is about 33632.3255068691. The cubic root of 1131133319 is about 1041.9285342041.

The spelling of 1131133319 in words is "one billion, one hundred thirty-one million, one hundred thirty-three thousand, three hundred nineteen".