1340204331143 has 16 divisors (see below), whose sum is σ = 1387960811520. Its totient is φ = 1293376333536.

The previous prime is 1340204331133. The next prime is 1340204331157. The reversal of 1340204331143 is 3411334020431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1340204331143 - 2¹² = 1340204327047 is a prime.

It is a super-2 number, since 2×1340204331143² (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 (1340204331133) 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 15 ways as a sum of consecutive naturals, for example, 284213 + ... + 1661681.

It is an arithmetic number, because the mean of its divisors is an integer number (86747550720).

Almost surely, 2^{1340204331143} is an apocalyptic number.

1340204331143 is a deficient number, since it is larger than the sum of its proper divisors (47756480377).

1340204331143 is a wasteful number, since it uses less digits than its factorization.

1340204331143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377806.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 1340204331143 its reverse (3411334020431), we get a palindrome (4751538351574).

The spelling of 1340204331143 in words is "one trillion, three hundred forty billion, two hundred four million, three hundred thirty-one thousand, one hundred forty-three".