20330210331131 has 2 divisors, whose sum is σ = 20330210331132. Its totient is φ = 20330210331130.

The previous prime is 20330210331113. The next prime is 20330210331133. The reversal of 20330210331131 is 13113301203302.

Together with previous prime (20330210331113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20330210331131 - 2¹⁴ = 20330210314747 is a prime.

It is a super-2 number, since 2×20330210331131² (a number of 27 digits) contains 22 as substring.

Together with 20330210331133, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 20330210331097 and 20330210331106.

It is not a weakly prime, because it can be changed into another prime (20330210331133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165105165565 + 10165105165566.

It is an arithmetic number, because the mean of its divisors is an integer number (10165105165566).

Almost surely, 2^{20330210331131} is an apocalyptic number.

20330210331131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330210331131 is an equidigital number, since it uses as much as digits as its factorization.

20330210331131 is an evil number, because the sum of its binary digits is even.

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

Adding to 20330210331131 its reverse (13113301203302), we get a palindrome (33443511534433).

The spelling of 20330210331131 in words is "twenty trillion, three hundred thirty billion, two hundred ten million, three hundred thirty-one thousand, one hundred thirty-one".