319000200021 has 8 divisors (see below), whose sum is σ = 472592888960. Its totient is φ = 212666799996.

The previous prime is 319000200011. The next prime is 319000200031. The reversal of 319000200021 is 120002000913.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (319000200011) and next prime (319000200031).

It is not a de Polignac number, because 319000200021 - 2¹⁷ = 319000068949 is a prime.

It is a super-2 number, since 2×319000200021² (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 = 319000199967 and 319000200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (319000200011) 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, 5907411085 + ... + 5907411138.

It is an arithmetic number, because the mean of its divisors is an integer number (59074111120).

Almost surely, 2^319000200021 is an apocalyptic number.

It is an amenable number.

319000200021 is a deficient number, since it is larger than the sum of its proper divisors (153592688939).

319000200021 is a wasteful number, since it uses less digits than its factorization.

319000200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814822232 (or 11814822226 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 319000200021 its reverse (120002000913), we get a palindrome (439002200934).

The spelling of 319000200021 in words is "three hundred nineteen billion, two hundred thousand, twenty-one".