1305004341213 has 32 divisors (see below), whose sum is σ = 2000125238400. Its totient is φ = 839952989568.

The previous prime is 1305004341197. The next prime is 1305004341307. The reversal of 1305004341213 is 3121434005031.

It is a happy number.

1305004341213 is a `hidden beast` number, since 1 + 3 + 0 + 500 + 4 + 34 + 121 + 3 = 666.

It is not a de Polignac number, because 1305004341213 - 2⁴ = 1305004341197 is a prime.

It is a super-2 number, since 2×1305004341213² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305004321213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16856170 + ... + 16933412.

It is an arithmetic number, because the mean of its divisors is an integer number (62503913700).

Almost surely, 2^{1305004341213} is an apocalyptic number.

It is an amenable number.

1305004341213 is a deficient number, since it is larger than the sum of its proper divisors (695120897187).

1305004341213 is a wasteful number, since it uses less digits than its factorization.

1305004341213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98858 (or 98852 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 1305004341213 its reverse (3121434005031), we get a palindrome (4426438346244).

The spelling of 1305004341213 in words is "one trillion, three hundred five billion, four million, three hundred forty-one thousand, two hundred thirteen".