20000331313 has 8 divisors (see below), whose sum is σ = 20757401280. Its totient is φ = 19247754960.

The previous prime is 20000331289. The next prime is 20000331359. The reversal of 20000331313 is 31313300002.

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 20000331313 - 2²⁵ = 19966776881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20000301313) 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, 1114333 + ... + 1132138.

It is an arithmetic number, because the mean of its divisors is an integer number (2594675160).

Almost surely, 2^20000331313 is an apocalyptic number.

It is an amenable number.

20000331313 is a deficient number, since it is larger than the sum of its proper divisors (757069967).

20000331313 is a wasteful number, since it uses less digits than its factorization.

20000331313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246807.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20000331313 its reverse (31313300002), we get a palindrome (51313631315).

The spelling of 20000331313 in words is "twenty billion, three hundred thirty-one thousand, three hundred thirteen".