20330031120131 has 4 divisors (see below), whose sum is σ = 20330053035192. Its totient is φ = 20330009205072.

The previous prime is 20330031120059. The next prime is 20330031120229. The reversal of 20330031120131 is 13102113003302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20330031120131 - 2¹⁸ = 20330030857987 is a prime.

It is a super-2 number, since 2×20330031120131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330031120431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9501530 + ... + 11442863.

It is an arithmetic number, because the mean of its divisors is an integer number (5082513258798).

Almost surely, 2^{20330031120131} is an apocalyptic number.

20330031120131 is a deficient number, since it is larger than the sum of its proper divisors (21915061).

20330031120131 is an equidigital number, since it uses as much as digits as its factorization.

20330031120131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21915060.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20330031120131 its reverse (13102113003302), we get a palindrome (33432144123433).

The spelling of 20330031120131 in words is "twenty trillion, three hundred thirty billion, thirty-one million, one hundred twenty thousand, one hundred thirty-one".