1140232331 has 16 divisors (see below), whose sum is σ = 1324270080. Its totient is φ = 961519680.

The previous prime is 1140232321. The next prime is 1140232343. The reversal of 1140232331 is 1332320411.

It is not a de Polignac number, because 1140232331 - 2¹⁰ = 1140231307 is a prime.

It is a super-2 number, since 2×1140232331² = 2600259537315387122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140232321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707855 + ... + 709463.

It is an arithmetic number, because the mean of its divisors is an integer number (82766880).

Almost surely, 2^1140232331 is an apocalyptic number.

1140232331 is a deficient number, since it is larger than the sum of its proper divisors (184037749).

1140232331 is a wasteful number, since it uses less digits than its factorization.

1140232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1140232331 is about 33767.3263821701. The cubic root of 1140232331 is about 1044.7148878406.

Adding to 1140232331 its reverse (1332320411), we get a palindrome (2472552742).

The spelling of 1140232331 in words is "one billion, one hundred forty million, two hundred thirty-two thousand, three hundred thirty-one".