1131513301 has 4 divisors (see below), whose sum is σ = 1139107500. Its totient is φ = 1123919104.

The previous prime is 1131513241. The next prime is 1131513307. The reversal of 1131513301 is 1033151311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 256832676 + 874680625 = 16026^2 + 29575^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131513301 - 2²⁷ = 997295573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131513307) 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, 3796876 + ... + 3797173.

It is an arithmetic number, because the mean of its divisors is an integer number (284776875).

Almost surely, 2^1131513301 is an apocalyptic number.

It is an amenable number.

1131513301 is a deficient number, since it is larger than the sum of its proper divisors (7594199).

1131513301 is an equidigital number, since it uses as much as digits as its factorization.

1131513301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7594198.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 1131513301 is about 33637.9740917910. The cubic root of 1131513301 is about 1042.0451929441.

Adding to 1131513301 its reverse (1033151311), we get a palindrome (2164664612).

The spelling of 1131513301 in words is "one billion, one hundred thirty-one million, five hundred thirteen thousand, three hundred one".