1131003141 has 4 divisors (see below), whose sum is σ = 1508004192. Its totient is φ = 754002092.

The previous prime is 1131003067. The next prime is 1131003179. The reversal of 1131003141 is 1413001311.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1413001311 = 3 ⋅471000437.

It is a cyclic number.

It is not a de Polignac number, because 1131003141 - 2⁹ = 1131002629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1131003141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131003241) 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, 188500521 + ... + 188500526.

It is an arithmetic number, because the mean of its divisors is an integer number (377001048).

Almost surely, 2^1131003141 is an apocalyptic number.

It is an amenable number.

1131003141 is a deficient number, since it is larger than the sum of its proper divisors (377001051).

1131003141 is an equidigital number, since it uses as much as digits as its factorization.

1131003141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377001050.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1131003141 is about 33630.3901404667. The cubic root of 1131003141 is about 1041.8885620882. Note that the first 3 decimals are identical.

Adding to 1131003141 its reverse (1413001311), we get a palindrome (2544004452).

The spelling of 1131003141 in words is "one billion, one hundred thirty-one million, three thousand, one hundred forty-one".