1443105345331 has 4 divisors (see below), whose sum is σ = 1554113448832. Its totient is φ = 1332097241832.

The previous prime is 1443105345299. The next prime is 1443105345377. The reversal of 1443105345331 is 1335435013441.

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 1443105345331 - 2⁵ = 1443105345299 is a prime.

It is a super-2 number, since 2×1443105345331² (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 (1443105345131) 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, 55504051731 + ... + 55504051756.

It is an arithmetic number, because the mean of its divisors is an integer number (388528362208).

Almost surely, 2^{1443105345331} is an apocalyptic number.

1443105345331 is a deficient number, since it is larger than the sum of its proper divisors (111008103501).

1443105345331 is a wasteful number, since it uses less digits than its factorization.

1443105345331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111008103500.

The product of its (nonzero) digits is 129600, while the sum is 37.

It can be divided in two parts, 144310 and 5345331, that added together give a triangular number (5489641 = T₃₃₁₃).

The spelling of 1443105345331 in words is "one trillion, four hundred forty-three billion, one hundred five million, three hundred forty-five thousand, three hundred thirty-one".