1321413541303 has 8 divisors (see below), whose sum is σ = 1324521598176. Its totient is φ = 1318309132800.

The previous prime is 1321413541271. The next prime is 1321413541309. The reversal of 1321413541303 is 3031453141231.

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

It is a cyclic number.

It is not a de Polignac number, because 1321413541303 - 2⁵ = 1321413541271 is a prime.

It is a super-2 number, since 2×1321413541303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321413541309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186178 + ... + 1636303.

It is an arithmetic number, because the mean of its divisors is an integer number (165565199772).

Almost surely, 2^{1321413541303} is an apocalyptic number.

1321413541303 is a deficient number, since it is larger than the sum of its proper divisors (3108056873).

1321413541303 is an equidigital number, since it uses as much as digits as its factorization.

1321413541303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824185.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 1321413541303 its reverse (3031453141231), we get a palindrome (4352866682534).

The spelling of 1321413541303 in words is "one trillion, three hundred twenty-one billion, four hundred thirteen million, five hundred forty-one thousand, three hundred three".