1043513343331 has 4 divisors (see below), whose sum is σ = 1104896481192. Its totient is φ = 982130205472.

The previous prime is 1043513343311. The next prime is 1043513343409. The reversal of 1043513343331 is 1333433153401.

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 1043513343331 - 2¹⁹ = 1043512819043 is a prime.

It is a super-2 number, since 2×1043513343331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043513343311) 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, 30691568905 + ... + 30691568938.

It is an arithmetic number, because the mean of its divisors is an integer number (276224120298).

Almost surely, 2^{1043513343331} is an apocalyptic number.

1043513343331 is a deficient number, since it is larger than the sum of its proper divisors (61383137861).

1043513343331 is an equidigital number, since it uses as much as digits as its factorization.

1043513343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61383137860.

The product of its (nonzero) digits is 58320, while the sum is 34.

Adding to 1043513343331 its reverse (1333433153401), we get a palindrome (2376946496732).

The spelling of 1043513343331 in words is "one trillion, forty-three billion, five hundred thirteen million, three hundred forty-three thousand, three hundred thirty-one".