1313330123021 has 8 divisors (see below), whose sum is σ = 1501252402944. Its totient is φ = 1125483765840.

The previous prime is 1313330122991. The next prime is 1313330123081. The reversal of 1313330123021 is 1203210333131.

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

It is not a de Polignac number, because 1313330123021 - 2²⁶ = 1313263014157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313330123081) 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 7 ways as a sum of consecutive naturals, for example, 18943610 + ... + 19012811.

It is an arithmetic number, because the mean of its divisors is an integer number (187656550368).

Almost surely, 2^{1313330123021} is an apocalyptic number.

It is an amenable number.

1313330123021 is a deficient number, since it is larger than the sum of its proper divisors (187922279923).

1313330123021 is an equidigital number, since it uses as much as digits as its factorization.

1313330123021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37961371.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1313330123021 its reverse (1203210333131), we get a palindrome (2516540456152).

The spelling of 1313330123021 in words is "one trillion, three hundred thirteen billion, three hundred thirty million, one hundred twenty-three thousand, twenty-one".