1140404430331 has 4 divisors (see below), whose sum is σ = 1144521414112. Its totient is φ = 1136287446552.

The previous prime is 1140404430313. The next prime is 1140404430439. The reversal of 1140404430331 is 1330344040411.

It is a happy number.

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 1140404430331 - 2²⁵ = 1140370875899 is a prime.

It is a super-2 number, since 2×1140404430331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140404430331.

It is not an unprimeable number, because it can be changed into a prime (1140404436331) 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, 2058491475 + ... + 2058492028.

It is an arithmetic number, because the mean of its divisors is an integer number (286130353528).

Almost surely, 2^{1140404430331} is an apocalyptic number.

1140404430331 is a deficient number, since it is larger than the sum of its proper divisors (4116983781).

1140404430331 is an equidigital number, since it uses as much as digits as its factorization.

1140404430331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116983780.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 1140404430331 its reverse (1330344040411), we get a palindrome (2470748470742).

The spelling of 1140404430331 in words is "one trillion, one hundred forty billion, four hundred four million, four hundred thirty thousand, three hundred thirty-one".