1231140010143 has 8 divisors (see below), whose sum is σ = 1644224332288. Its totient is φ = 819407847384.

The previous prime is 1231140010127. The next prime is 1231140010181. The reversal of 1231140010143 is 3410100411321.

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

It is not a de Polignac number, because 1231140010143 - 2⁴ = 1231140010127 is a prime.

It is a super-2 number, since 2×1231140010143² (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 (1231140010343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338037721 + ... + 338041362.

It is an arithmetic number, because the mean of its divisors is an integer number (205528041536).

Almost surely, 2^{1231140010143} is an apocalyptic number.

1231140010143 is a deficient number, since it is larger than the sum of its proper divisors (413084322145).

1231140010143 is an equidigital number, since it uses as much as digits as its factorization.

1231140010143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676079693.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1231140010143 its reverse (3410100411321), we get a palindrome (4641240421464).

The spelling of 1231140010143 in words is "one trillion, two hundred thirty-one billion, one hundred forty million, ten thousand, one hundred forty-three".