313433320021 has 8 divisors (see below), whose sum is σ = 322250457600. Its totient is φ = 304705696848.

The previous prime is 313433319971. The next prime is 313433320073. The reversal of 313433320021 is 120023334313.

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 313433320021 - 2⁷ = 313433319893 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 (313433420021) 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, 22371501 + ... + 22385506.

It is an arithmetic number, because the mean of its divisors is an integer number (40281307200).

Almost surely, 2^313433320021 is an apocalyptic number.

It is an amenable number.

313433320021 is a deficient number, since it is larger than the sum of its proper divisors (8817137579).

313433320021 is a wasteful number, since it uses less digits than its factorization.

313433320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44757203.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 313433320021 its reverse (120023334313), we get a palindrome (433456654334).

The spelling of 313433320021 in words is "three hundred thirteen billion, four hundred thirty-three million, three hundred twenty thousand, twenty-one".