1331134413223 has 4 divisors (see below), whose sum is σ = 1362091027528. Its totient is φ = 1300177798920.

The previous prime is 1331134413209. The next prime is 1331134413239. The reversal of 1331134413223 is 3223144311331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331134413223 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 (1331134413283) 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, 15478307088 + ... + 15478307173.

It is an arithmetic number, because the mean of its divisors is an integer number (340522756882).

Almost surely, 2^{1331134413223} is an apocalyptic number.

1331134413223 is a deficient number, since it is larger than the sum of its proper divisors (30956614305).

1331134413223 is an equidigital number, since it uses as much as digits as its factorization.

1331134413223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30956614304.

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

Adding to 1331134413223 its reverse (3223144311331), we get a palindrome (4554278724554).

The spelling of 1331134413223 in words is "one trillion, three hundred thirty-one billion, one hundred thirty-four million, four hundred thirteen thousand, two hundred twenty-three".