13403041111321 has 4 divisors (see below), whose sum is σ = 13480515337572. Its totient is φ = 13325566885072.

The previous prime is 13403041111259. The next prime is 13403041111333. The reversal of 13403041111321 is 12311114030431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12680464609296 + 722576502025 = 3560964^2 + 850045^2 .

It is a cyclic number.

It is not a de Polignac number, because 13403041111321 - 2¹⁷ = 13403040980249 is a prime.

It is a super-2 number, since 2×13403041111321² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13403041111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38737112866 + ... + 38737113211.

It is an arithmetic number, because the mean of its divisors is an integer number (3370128834393).

Almost surely, 2^{13403041111321} is an apocalyptic number.

It is an amenable number.

13403041111321 is a deficient number, since it is larger than the sum of its proper divisors (77474226251).

13403041111321 is an equidigital number, since it uses as much as digits as its factorization.

13403041111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77474226250.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 13403041111321 its reverse (12311114030431), we get a palindrome (25714155141752).

The spelling of 13403041111321 in words is "thirteen trillion, four hundred three billion, forty-one million, one hundred eleven thousand, three hundred twenty-one".