1011131087 has 2 divisors, whose sum is σ = 1011131088. Its totient is φ = 1011131086.

The previous prime is 1011131071. The next prime is 1011131137. The reversal of 1011131087 is 7801311101.

1011131087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011131087 - 2⁴ = 1011131071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011131057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505565543 + 505565544.

It is an arithmetic number, because the mean of its divisors is an integer number (505565544).

Almost surely, 2^1011131087 is an apocalyptic number.

1011131087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011131087 is an equidigital number, since it uses as much as digits as its factorization.

1011131087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

The square root of 1011131087 is about 31798.2874853348. The cubic root of 1011131087 is about 1003.6966800510.

Adding to 1011131087 its reverse (7801311101), we get a palindrome (8812442188).

The spelling of 1011131087 in words is "one billion, eleven million, one hundred thirty-one thousand, eighty-seven".