1131830558 has 4 divisors (see below), whose sum is σ = 1697745840. Its totient is φ = 565915278.

The previous prime is 1131830521. The next prime is 1131830591. The reversal of 1131830558 is 8550381311.

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

It is a super-3 number, since 3×1131830558³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 282957638 + ... + 282957641.

It is an arithmetic number, because the mean of its divisors is an integer number (424436460).

Almost surely, 2^1131830558 is an apocalyptic number.

1131830558 is a deficient number, since it is larger than the sum of its proper divisors (565915282).

1131830558 is an equidigital number, since it uses as much as digits as its factorization.

1131830558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565915281.

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 1131830558 is about 33642.6895179324. The cubic root of 1131830558 is about 1042.1425744003.

The spelling of 1131830558 in words is "one billion, one hundred thirty-one million, eight hundred thirty thousand, five hundred fifty-eight".