20312113030133 has 8 divisors (see below), whose sum is σ = 20784684846816. Its totient is φ = 19839550172400.

The previous prime is 20312113030087. The next prime is 20312113030141. The reversal of 20312113030133 is 33103031121302.

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 20312113030133 - 2⁸ = 20312113029877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20312113030099 and 20312113030108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312113035133) 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, 2460938 + ... + 6832308.

It is an arithmetic number, because the mean of its divisors is an integer number (2598085605852).

Almost surely, 2^{20312113030133} is an apocalyptic number.

It is an amenable number.

20312113030133 is a deficient number, since it is larger than the sum of its proper divisors (472571816683).

20312113030133 is a wasteful number, since it uses less digits than its factorization.

20312113030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479475.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20312113030133 its reverse (33103031121302), we get a palindrome (53415144151435).

The spelling of 20312113030133 in words is "twenty trillion, three hundred twelve billion, one hundred thirteen million, thirty thousand, one hundred thirty-three".