1343203533461 has 4 divisors (see below), whose sum is σ = 1343278219500. Its totient is φ = 1343128847424.

The previous prime is 1343203533389. The next prime is 1343203533479. The reversal of 1343203533461 is 1643353023431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 783109954225 + 560093579236 = 884935^2 + 748394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343203533461 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 (1343203533481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37316036 + ... + 37352013.

It is an arithmetic number, because the mean of its divisors is an integer number (335819554875).

Almost surely, 2^{1343203533461} is an apocalyptic number.

It is an amenable number.

1343203533461 is a deficient number, since it is larger than the sum of its proper divisors (74686039).

1343203533461 is an equidigital number, since it uses as much as digits as its factorization.

1343203533461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74686038.

The product of its (nonzero) digits is 233280, while the sum is 38.

Adding to 1343203533461 its reverse (1643353023431), we get a palindrome (2986556556892).

The spelling of 1343203533461 in words is "one trillion, three hundred forty-three billion, two hundred three million, five hundred thirty-three thousand, four hundred sixty-one".