20213000233031 has 2 divisors, whose sum is σ = 20213000233032. Its totient is φ = 20213000233030.

The previous prime is 20213000233009. The next prime is 20213000233039. The reversal of 20213000233031 is 13033200031202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20213000233031 - 2⁴² = 15814953721927 is a prime.

It is a super-2 number, since 2×20213000233031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20213000232994 and 20213000233012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20213000233039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106500116515 + 10106500116516.

It is an arithmetic number, because the mean of its divisors is an integer number (10106500116516).

Almost surely, 2^{20213000233031} is an apocalyptic number.

20213000233031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213000233031 is an equidigital number, since it uses as much as digits as its factorization.

20213000233031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20213000233031 its reverse (13033200031202), we get a palindrome (33246200264233).

The spelling of 20213000233031 in words is "twenty trillion, two hundred thirteen billion, two hundred thirty-three thousand, thirty-one".