1131470218 has 8 divisors (see below), whose sum is σ = 1697578848. Its totient is φ = 565610604.

The previous prime is 1131470203. The next prime is 1131470233. The reversal of 1131470218 is 8120741311.

It is an interprime number because it is at equal distance from previous prime (1131470203) and next prime (1131470233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50446 + ... + 69337.

It is an arithmetic number, because the mean of its divisors is an integer number (212197356).

Almost surely, 2^1131470218 is an apocalyptic number.

1131470218 is a deficient number, since it is larger than the sum of its proper divisors (566108630).

1131470218 is a wasteful number, since it uses less digits than its factorization.

1131470218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124508.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1131470218 is about 33637.3336933830. Note that the first 3 decimals coincide. The cubic root of 1131470218 is about 1042.0319672923.

The spelling of 1131470218 in words is "one billion, one hundred thirty-one million, four hundred seventy thousand, two hundred eighteen".