20000212031 has 2 divisors, whose sum is σ = 20000212032. Its totient is φ = 20000212030.

The previous prime is 20000211991. The next prime is 20000212049. The reversal of 20000212031 is 13021200002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20000212031 - 2¹⁸ = 19999949887 is a prime.

It is a super-2 number, since 2×20000212031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000212081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000106015 + 10000106016.

It is an arithmetic number, because the mean of its divisors is an integer number (10000106016).

Almost surely, 2^20000212031 is an apocalyptic number.

20000212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000212031 is an equidigital number, since it uses as much as digits as its factorization.

20000212031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20000212031 its reverse (13021200002), we get a palindrome (33021412033).

The spelling of 20000212031 in words is "twenty billion, two hundred twelve thousand, thirty-one".