1140231031231 has 4 divisors (see below), whose sum is σ = 1143897369264. Its totient is φ = 1136564693200.

The previous prime is 1140231031193. The next prime is 1140231031249. The reversal of 1140231031231 is 1321301320411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1140231031231 - 2²⁵ = 1140197476799 is a prime.

It is a super-2 number, since 2×1140231031231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140231038231) 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, 1833168550 + ... + 1833169171.

It is an arithmetic number, because the mean of its divisors is an integer number (285974342316).

Almost surely, 2^{1140231031231} is an apocalyptic number.

1140231031231 is a deficient number, since it is larger than the sum of its proper divisors (3666338033).

1140231031231 is an equidigital number, since it uses as much as digits as its factorization.

1140231031231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666338032.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1140231031231 its reverse (1321301320411), we get a palindrome (2461532351642).

The spelling of 1140231031231 in words is "one trillion, one hundred forty billion, two hundred thirty-one million, thirty-one thousand, two hundred thirty-one".