1131302086 has 4 divisors (see below), whose sum is σ = 1696953132. Its totient is φ = 565651042.

The previous prime is 1131302083. The next prime is 1131302087. The reversal of 1131302086 is 6802031311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6802031311 = 653 ⋅10416587.

It is a self number, because there is not a number n which added to its sum of digits gives 1131302086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131302083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282825520 + ... + 282825523.

It is an arithmetic number, because the mean of its divisors is an integer number (424238283).

Almost surely, 2^1131302086 is an apocalyptic number.

1131302086 is a deficient number, since it is larger than the sum of its proper divisors (565651046).

1131302086 is an equidigital number, since it uses as much as digits as its factorization.

1131302086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565651045.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1131302086 is about 33634.8344131497. The cubic root of 1131302086 is about 1041.9803507923.

Adding to 1131302086 its reverse (6802031311), we get a palindrome (7933333397).

The spelling of 1131302086 in words is "one billion, one hundred thirty-one million, three hundred two thousand, eighty-six".