1140420343431 has 8 divisors (see below), whose sum is σ = 1520679034480. Its totient is φ = 760220940672.

The previous prime is 1140420343343. The next prime is 1140420343483. The reversal of 1140420343431 is 1343430240411.

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

It is not a de Polignac number, because 1140420343431 - 2¹¹ = 1140420341383 is a prime.

It is a super-2 number, since 2×1140420343431² (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 (1140420343331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14777170 + ... + 14854143.

It is an arithmetic number, because the mean of its divisors is an integer number (190084879310).

Almost surely, 2^{1140420343431} is an apocalyptic number.

1140420343431 is a deficient number, since it is larger than the sum of its proper divisors (380258691049).

1140420343431 is a wasteful number, since it uses less digits than its factorization.

1140420343431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29644145.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1140420343431 its reverse (1343430240411), we get a palindrome (2483850583842).

The spelling of 1140420343431 in words is "one trillion, one hundred forty billion, four hundred twenty million, three hundred forty-three thousand, four hundred thirty-one".