320021313019 has 16 divisors (see below), whose sum is σ = 341588789280. Its totient is φ = 298928931840.

The previous prime is 320021312987. The next prime is 320021313067. The reversal of 320021313019 is 910313120023.

It is a cyclic number.

It is not a de Polignac number, because 320021313019 - 2⁵ = 320021312987 is a prime.

It is a super-2 number, since 2×320021313019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320021312984 and 320021313002.

It is not an unprimeable number, because it can be changed into a prime (320021310019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4482039 + ... + 4552879.

It is an arithmetic number, because the mean of its divisors is an integer number (21349299330).

Almost surely, 2^320021313019 is an apocalyptic number.

320021313019 is a deficient number, since it is larger than the sum of its proper divisors (21567476261).

320021313019 is a wasteful number, since it uses less digits than its factorization.

320021313019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74190.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 320021313019 in words is "three hundred twenty billion, twenty-one million, three hundred thirteen thousand, nineteen".