1343263113331 has 4 divisors (see below), whose sum is σ = 1345095669472. Its totient is φ = 1341430557192.

The previous prime is 1343263113307. The next prime is 1343263113341. The reversal of 1343263113331 is 1333113623431.

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 1343263113331 - 2⁵ = 1343263113299 is a prime.

It is a super-2 number, since 2×1343263113331² (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 (1343263113341) 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, 916276971 + ... + 916278436.

It is an arithmetic number, because the mean of its divisors is an integer number (336273917368).

Almost surely, 2^{1343263113331} is an apocalyptic number.

1343263113331 is a deficient number, since it is larger than the sum of its proper divisors (1832556141).

1343263113331 is an equidigital number, since it uses as much as digits as its factorization.

1343263113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832556140.

The product of its digits is 34992, while the sum is 34.

Adding to 1343263113331 its reverse (1333113623431), we get a palindrome (2676376736762).

The spelling of 1343263113331 in words is "one trillion, three hundred forty-three billion, two hundred sixty-three million, one hundred thirteen thousand, three hundred thirty-one".