1040204313231 has 8 divisors (see below), whose sum is σ = 1387874315520. Its totient is φ = 693001926552.

The previous prime is 1040204313217. The next prime is 1040204313251. The reversal of 1040204313231 is 1323134020401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040204313231 - 2⁶ = 1040204313167 is a prime.

It is a super-2 number, since 2×1040204313231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040204313251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116898711 + ... + 116907608.

It is an arithmetic number, because the mean of its divisors is an integer number (173484289440).

Almost surely, 2^{1040204313231} is an apocalyptic number.

1040204313231 is a deficient number, since it is larger than the sum of its proper divisors (347670002289).

1040204313231 is a wasteful number, since it uses less digits than its factorization.

1040204313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233807805.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1040204313231 its reverse (1323134020401), we get a palindrome (2363338333632).

The spelling of 1040204313231 in words is "one trillion, forty billion, two hundred four million, three hundred thirteen thousand, two hundred thirty-one".