1131018683 has 4 divisors (see below), whose sum is σ = 1131139248. Its totient is φ = 1130898120.

The previous prime is 1131018677. The next prime is 1131018697. The reversal of 1131018683 is 3868101311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3868101311 = 3491 ⋅1108021.

It is a cyclic number.

It is not a de Polignac number, because 1131018683 - 2¹⁰ = 1131017659 is a prime.

It is a super-2 number, since 2×1131018683² = 2558406522590108978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131018883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44903 + ... + 65408.

It is an arithmetic number, because the mean of its divisors is an integer number (282784812).

Almost surely, 2^1131018683 is an apocalyptic number.

1131018683 is a deficient number, since it is larger than the sum of its proper divisors (120565).

1131018683 is a wasteful number, since it uses less digits than its factorization.

1131018683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120564.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 1131018683 is about 33630.6212104386. The cubic root of 1131018683 is about 1041.8933345353.

Adding to 1131018683 its reverse (3868101311), we get a palindrome (4999119994).

The spelling of 1131018683 in words is "one billion, one hundred thirty-one million, eighteen thousand, six hundred eighty-three".