313030220321 has 8 divisors (see below), whose sum is σ = 385267963584. Its totient is φ = 247672262160.

The previous prime is 313030220299. The next prime is 313030220323. The reversal of 313030220321 is 123022030313.

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 313030220321 - 2²⁶ = 312963111457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313030220293 and 313030220302.

It is not an unprimeable number, because it can be changed into a prime (313030220323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1719946175 + ... + 1719946356.

It is an arithmetic number, because the mean of its divisors is an integer number (48158495448).

Almost surely, 2^313030220321 is an apocalyptic number.

It is an amenable number.

313030220321 is a deficient number, since it is larger than the sum of its proper divisors (72237743263).

313030220321 is a wasteful number, since it uses less digits than its factorization.

313030220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439892551.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 313030220321 its reverse (123022030313), we get a palindrome (436052250634).

The spelling of 313030220321 in words is "three hundred thirteen billion, thirty million, two hundred twenty thousand, three hundred twenty-one".