1141023231 has 24 divisors (see below), whose sum is σ = 1714352640. Its totient is φ = 730501200.

The previous prime is 1141023229. The next prime is 1141023271. The reversal of 1141023231 is 1323201411.

1141023231 is a `hidden beast` number, since 1 + 1 + 410 + 23 + 231 = 666.

It is not a de Polignac number, because 1141023231 - 2¹ = 1141023229 is a prime.

It is a super-2 number, since 2×1141023231² = 2603868027363358722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141023271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20940 + ... + 52158.

It is an arithmetic number, because the mean of its divisors is an integer number (71431360).

Almost surely, 2^1141023231 is an apocalyptic number.

1141023231 is a deficient number, since it is larger than the sum of its proper divisors (573329409).

1141023231 is a wasteful number, since it uses less digits than its factorization.

1141023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31387 (or 31384 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1141023231 is about 33779.0353769909. The cubic root of 1141023231 is about 1044.9563807408.

Adding to 1141023231 its reverse (1323201411), we get a palindrome (2464224642).

The spelling of 1141023231 in words is "one billion, one hundred forty-one million, twenty-three thousand, two hundred thirty-one".