20283031819331 has 2 divisors, whose sum is σ = 20283031819332. Its totient is φ = 20283031819330.

The previous prime is 20283031819283. The next prime is 20283031819339. The reversal of 20283031819331 is 13391813038202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20283031819331 is a prime.

It is a super-2 number, since 2×20283031819331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20283031819339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10141515909665 + 10141515909666.

It is an arithmetic number, because the mean of its divisors is an integer number (10141515909666).

Almost surely, 2^{20283031819331} is an apocalyptic number.

20283031819331 is a deficient number, since it is larger than the sum of its proper divisors (1).

20283031819331 is an equidigital number, since it uses as much as digits as its factorization.

20283031819331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 20283031819331 in words is "twenty trillion, two hundred eighty-three billion, thirty-one million, eight hundred nineteen thousand, three hundred thirty-one".