1311445353346 has 8 divisors (see below), whose sum is σ = 1967633204220. Its totient is φ = 655567618608.

The previous prime is 1311445353299. The next prime is 1311445353349. The reversal of 1311445353346 is 6433535441131.

It can be written as a sum of positive squares in 2 ways, for example, as 954648197721 + 356797155625 = 977061^2 + 597325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1311445353349) 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, 77518461 + ... + 77535376.

Almost surely, 2^{1311445353346} is an apocalyptic number.

1311445353346 is a deficient number, since it is larger than the sum of its proper divisors (656187850874).

1311445353346 is a wasteful number, since it uses less digits than its factorization.

1311445353346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155058068.

The product of its digits is 777600, while the sum is 43.

The spelling of 1311445353346 in words is "one trillion, three hundred eleven billion, four hundred forty-five million, three hundred fifty-three thousand, three hundred forty-six".