20102001012031 has 2 divisors, whose sum is σ = 20102001012032. Its totient is φ = 20102001012030.

The previous prime is 20102001012011. The next prime is 20102001012043. The reversal of 20102001012031 is 13021010020102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20102001012031 - 2³⁷ = 19964562058559 is a prime.

It is a super-2 number, since 2×20102001012031² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102001012001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051000506015 + 10051000506016.

It is an arithmetic number, because the mean of its divisors is an integer number (10051000506016).

Almost surely, 2^{20102001012031} is an apocalyptic number.

20102001012031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102001012031 is an equidigital number, since it uses as much as digits as its factorization.

20102001012031 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 13.

Adding to 20102001012031 its reverse (13021010020102), we get a palindrome (33123011032133).

The spelling of 20102001012031 in words is "twenty trillion, one hundred two billion, one million, twelve thousand, thirty-one".