1141140231 has 60 divisors (see below), whose sum is σ = 2141527696. Its totient is φ = 592764480.

The previous prime is 1141140197. The next prime is 1141140251. The reversal of 1141140231 is 1320411411.

It is not a de Polignac number, because 1141140231 - 2⁷ = 1141140103 is a prime.

It is a super-2 number, since 2×1141140231² = 2604402053613466722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141140251) 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 59 ways as a sum of consecutive naturals, for example, 60291 + ... + 76923.

Almost surely, 2^1141140231 is an apocalyptic number.

1141140231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1141140231 is a deficient number, since it is larger than the sum of its proper divisors (1000387465).

1141140231 is a wasteful number, since it uses less digits than its factorization.

1141140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16674 (or 16654 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1141140231 is about 33780.7671760130. The cubic root of 1141140231 is about 1044.9920959698.

Adding to 1141140231 its reverse (1320411411), we get a palindrome (2461551642).

The spelling of 1141140231 in words is "one billion, one hundred forty-one million, one hundred forty thousand, two hundred thirty-one".