313011233021 has 8 divisors (see below), whose sum is σ = 313835564064. Its totient is φ = 312187083120.

The previous prime is 313011232993. The next prime is 313011233033. The reversal of 313011233021 is 120332110313.

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 313011233021 - 2²² = 313007038717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313011232984 and 313011233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313011233321) 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 7 ways as a sum of consecutive naturals, for example, 3854786 + ... + 3935148.

It is an arithmetic number, because the mean of its divisors is an integer number (39229445508).

Almost surely, 2^313011233021 is an apocalyptic number.

It is an amenable number.

313011233021 is a deficient number, since it is larger than the sum of its proper divisors (824331043).

313011233021 is an equidigital number, since it uses as much as digits as its factorization.

313011233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90571.

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

Adding to 313011233021 its reverse (120332110313), we get a palindrome (433343343334).

The spelling of 313011233021 in words is "three hundred thirteen billion, eleven million, two hundred thirty-three thousand, twenty-one".