1001320332113 has 4 divisors (see below), whose sum is σ = 1001497845348. Its totient is φ = 1001142818880.

The previous prime is 1001320332107. The next prime is 1001320332143. The reversal of 1001320332113 is 3112330231001.

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 842775408784 + 158544923329 = 918028^2 + 398177^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001320332113 - 2⁸ = 1001320331857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001320332143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88748156 + ... + 88759437.

It is an arithmetic number, because the mean of its divisors is an integer number (250374461337).

Almost surely, 2^{1001320332113} is an apocalyptic number.

It is an amenable number.

1001320332113 is a deficient number, since it is larger than the sum of its proper divisors (177513235).

1001320332113 is an equidigital number, since it uses as much as digits as its factorization.

1001320332113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177513234.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1001320332113 its reverse (3112330231001), we get a palindrome (4113650563114).

The spelling of 1001320332113 in words is "one trillion, one billion, three hundred twenty million, three hundred thirty-two thousand, one hundred thirteen".