1320401100333 has 8 divisors (see below), whose sum is σ = 2012039771968. Its totient is φ = 754514914464.

The previous prime is 1320401100283. The next prime is 1320401100349. The reversal of 1320401100333 is 3330011040231.

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

It is not a de Polignac number, because 1320401100333 - 2⁸ = 1320401100077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 62876242873 = 1320401100333 / (1 + 3 + 2 + 0 + 4 + 0 + 1 + 1 + 0 + 0 + 3 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320401102333) 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, 31438121416 + ... + 31438121457.

It is an arithmetic number, because the mean of its divisors is an integer number (251504971496).

Almost surely, 2^{1320401100333} is an apocalyptic number.

It is an amenable number.

1320401100333 is a deficient number, since it is larger than the sum of its proper divisors (691638671635).

1320401100333 is an equidigital number, since it uses as much as digits as its factorization.

1320401100333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62876242883.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1320401100333 its reverse (3330011040231), we get a palindrome (4650412140564).

The spelling of 1320401100333 in words is "one trillion, three hundred twenty billion, four hundred one million, one hundred thousand, three hundred thirty-three".