1131550283 has 2 divisors, whose sum is σ = 1131550284. Its totient is φ = 1131550282.

The previous prime is 1131550229. The next prime is 1131550319. The reversal of 1131550283 is 3820551311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131550283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131550213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565775141 + 565775142.

It is an arithmetic number, because the mean of its divisors is an integer number (565775142).

Almost surely, 2^1131550283 is an apocalyptic number.

1131550283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131550283 is an equidigital number, since it uses as much as digits as its factorization.

1131550283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1131550283 is about 33638.5237934128. The cubic root of 1131550283 is about 1042.0565454386.

The spelling of 1131550283 in words is "one billion, one hundred thirty-one million, five hundred fifty thousand, two hundred eighty-three".