20310315223133 has 8 divisors (see below), whose sum is σ = 21872739757176. Its totient is φ = 18747903916800.

The previous prime is 20310315223129. The next prime is 20310315223151. The reversal of 20310315223133 is 33132251301302.

It can be written as a sum of positive squares in 4 ways, for example, as 564005506009 + 19746309717124 = 751003^2 + 4443682^2 .

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 20310315223133 - 2² = 20310315223129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310315223096 and 20310315223105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310315223193) 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, 4913 + ... + 6373433.

It is an arithmetic number, because the mean of its divisors is an integer number (2734092469647).

Almost surely, 2^{20310315223133} is an apocalyptic number.

It is an amenable number.

20310315223133 is a deficient number, since it is larger than the sum of its proper divisors (1562424534043).

20310315223133 is a wasteful number, since it uses less digits than its factorization.

20310315223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613855.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 20310315223133 its reverse (33132251301302), we get a palindrome (53442566524435).

The spelling of 20310315223133 in words is "twenty trillion, three hundred ten billion, three hundred fifteen million, two hundred twenty-three thousand, one hundred thirty-three".