1231133214343 has 4 divisors (see below), whose sum is σ = 1231506401400. Its totient is φ = 1230760027288.

The previous prime is 1231133214341. The next prime is 1231133214361. The reversal of 1231133214343 is 3434123311321.

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 1231133214343 - 2¹ = 1231133214341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231133214341) 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 3 ways as a sum of consecutive naturals, for example, 186588580 + ... + 186595177.

It is an arithmetic number, because the mean of its divisors is an integer number (307876600350).

Almost surely, 2^{1231133214343} is an apocalyptic number.

1231133214343 is a deficient number, since it is larger than the sum of its proper divisors (373187057).

1231133214343 is an equidigital number, since it uses as much as digits as its factorization.

1231133214343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373187056.

The product of its digits is 15552, while the sum is 31.

Adding to 1231133214343 its reverse (3434123311321), we get a palindrome (4665256525664).

The spelling of 1231133214343 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-three million, two hundred fourteen thousand, three hundred forty-three".