1321301313011 has 8 divisors (see below), whose sum is σ = 1391563051920. Its totient is φ = 1251111530592.

The previous prime is 1321301312983. The next prime is 1321301313019. The reversal of 1321301313011 is 1103131031231.

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 1321301313011 - 2²² = 1321297118707 is a prime.

It is a super-2 number, since 2×1321301313011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321301313019) 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, 17951420 + ... + 18024873.

It is an arithmetic number, because the mean of its divisors is an integer number (173945381490).

Almost surely, 2^{1321301313011} is an apocalyptic number.

1321301313011 is a deficient number, since it is larger than the sum of its proper divisors (70261738909).

1321301313011 is a wasteful number, since it uses less digits than its factorization.

1321301313011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35978245.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1321301313011 its reverse (1103131031231), we get a palindrome (2424432344242).

The spelling of 1321301313011 in words is "one trillion, three hundred twenty-one billion, three hundred one million, three hundred thirteen thousand, eleven".