1344311021205 has 12 divisors (see below), whose sum is σ = 2330139103500. Its totient is φ = 716965877952.

The previous prime is 1344311021203. The next prime is 1344311021281. The reversal of 1344311021205 is 5021201134431.

1344311021205 is a `hidden beast` number, since 1 + 3 + 4 + 431 + 1 + 0 + 21 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 790431239844 + 553879781361 = 889062^2 + 744231^2 .

It is not a de Polignac number, because 1344311021205 - 2¹ = 1344311021203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344311021203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14936789080 + ... + 14936789169.

It is an arithmetic number, because the mean of its divisors is an integer number (194178258625).

Almost surely, 2^{1344311021205} is an apocalyptic number.

1344311021205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344311021205 is a deficient number, since it is larger than the sum of its proper divisors (985828082295).

1344311021205 is a wasteful number, since it uses less digits than its factorization.

1344311021205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29873578260 (or 29873578257 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1344311021205 its reverse (5021201134431), we get a palindrome (6365512155636).

The spelling of 1344311021205 in words is "one trillion, three hundred forty-four billion, three hundred eleven million, twenty-one thousand, two hundred five".