1131040307 has 4 divisors (see below), whose sum is σ = 1136962176. Its totient is φ = 1125118440.

The previous prime is 1131040297. The next prime is 1131040321. The reversal of 1131040307 is 7030401311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131040307 - 2²⁴ = 1114263091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131040327) 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, 2960648 + ... + 2961029.

It is an arithmetic number, because the mean of its divisors is an integer number (284240544).

Almost surely, 2^1131040307 is an apocalyptic number.

1131040307 is a deficient number, since it is larger than the sum of its proper divisors (5921869).

1131040307 is an equidigital number, since it uses as much as digits as its factorization.

1131040307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5921868.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1131040307 is about 33630.9427016252. The cubic root of 1131040307 is about 1041.8999744957.

Adding to 1131040307 its reverse (7030401311), we get a palindrome (8161441618).

The spelling of 1131040307 in words is "one billion, one hundred thirty-one million, forty thousand, three hundred seven".