1131003301 has 4 divisors (see below), whose sum is σ = 1131869952. Its totient is φ = 1130136652.

The previous prime is 1131003283. The next prime is 1131003323. The reversal of 1131003301 is 1033001311.

It is a happy number.

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 1131003301 - 2¹³ = 1130995109 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 (1131003331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431365 + ... + 433978.

It is an arithmetic number, because the mean of its divisors is an integer number (282967488).

Almost surely, 2^1131003301 is an apocalyptic number.

It is an amenable number.

1131003301 is a deficient number, since it is larger than the sum of its proper divisors (866651).

1131003301 is an equidigital number, since it uses as much as digits as its factorization.

1131003301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866650.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1131003301 is about 33630.3925192674. The cubic root of 1131003301 is about 1041.8886112193. Note that the first 3 decimals are identical.

Adding to 1131003301 its reverse (1033001311), we get a palindrome (2164004612).

The spelling of 1131003301 in words is "one billion, one hundred thirty-one million, three thousand, three hundred one".