20312310030321 has 8 divisors (see below), whose sum is σ = 27084227577120. Its totient is φ = 13540966251872.

The previous prime is 20312310030283. The next prime is 20312310030359. The reversal of 20312310030321 is 12303001321302.

It is an interprime number because it is at equal distance from previous prime (20312310030283) and next prime (20312310030359).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312310030321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20312310034321) 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, 143359476 + ... + 143501093.

It is an arithmetic number, because the mean of its divisors is an integer number (3385528447140).

Almost surely, 2^{20312310030321} is an apocalyptic number.

It is an amenable number.

20312310030321 is a deficient number, since it is larger than the sum of its proper divisors (6771917546799).

20312310030321 is a wasteful number, since it uses less digits than its factorization.

20312310030321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286884175.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 20312310030321 its reverse (12303001321302), we get a palindrome (32615311351623).

The spelling of 20312310030321 in words is "twenty trillion, three hundred twelve billion, three hundred ten million, thirty thousand, three hundred twenty-one".