1131301241 has 4 divisors (see below), whose sum is σ = 1292915712. Its totient is φ = 969686772.

The previous prime is 1131301219. The next prime is 1131301243. The reversal of 1131301241 is 1421031311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131301241 - 2¹⁰ = 1131300217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131301243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80807225 + ... + 80807238.

It is an arithmetic number, because the mean of its divisors is an integer number (323228928).

Almost surely, 2^1131301241 is an apocalyptic number.

It is an amenable number.

1131301241 is a deficient number, since it is larger than the sum of its proper divisors (161614471).

1131301241 is an equidigital number, since it uses as much as digits as its factorization.

1131301241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161614470.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1131301241 is about 33634.8218517655. The cubic root of 1131301241 is about 1041.9800913645.

Adding to 1131301241 its reverse (1421031311), we get a palindrome (2552332552).

The spelling of 1131301241 in words is "one billion, one hundred thirty-one million, three hundred one thousand, two hundred forty-one".