101321331013 has 4 divisors (see below), whose sum is σ = 115795806880. Its totient is φ = 86846855148.

The previous prime is 101321330977. The next prime is 101321331077. The reversal of 101321331013 is 310133123101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310133123101 = 1567 ⋅197915203.

It is a cyclic number.

It is not a de Polignac number, because 101321331013 - 2³³ = 92731396421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321331913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7237237923 + ... + 7237237936.

It is an arithmetic number, because the mean of its divisors is an integer number (28948951720).

Almost surely, 2^101321331013 is an apocalyptic number.

It is an amenable number.

101321331013 is a deficient number, since it is larger than the sum of its proper divisors (14474475867).

101321331013 is an equidigital number, since it uses as much as digits as its factorization.

101321331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14474475866.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 101321331013 its reverse (310133123101), we get a palindrome (411454454114).

The spelling of 101321331013 in words is "one hundred one billion, three hundred twenty-one million, three hundred thirty-one thousand, thirteen".