1141131000 has 64 divisors (see below), whose sum is σ = 3560338080. Its totient is φ = 304300800.

The previous prime is 1141130981. The next prime is 1141131007. The reversal of 1141131000 is 1311411.

It is a super-2 number, since 2×1141131000² = 2604359918322000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141131007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187189 + ... + 193188.

Almost surely, 2^1141131000 is an apocalyptic number.

1141131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141131000 is an abundant number, since it is smaller than the sum of its proper divisors (2419207080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141131000 is a wasteful number, since it uses less digits than its factorization.

1141131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380401 (or 380387 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1141131000 is about 33780.6305447367. The cubic root of 1141131000 is about 1044.9892782185.

Adding to 1141131000 its reverse (1311411), we get a palindrome (1142442411).

The spelling of 1141131000 in words is "one billion, one hundred forty-one million, one hundred thirty-one thousand".