20130003312031 has 2 divisors, whose sum is σ = 20130003312032. Its totient is φ = 20130003312030.

The previous prime is 20130003311983. The next prime is 20130003312059. The reversal of 20130003312031 is 13021330003102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20130003312031 - 2²¹ = 20130001214879 is a prime.

It is a super-2 number, since 2×20130003312031² (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 (20130003312071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065001656015 + 10065001656016.

It is an arithmetic number, because the mean of its divisors is an integer number (10065001656016).

Almost surely, 2^{20130003312031} is an apocalyptic number.

20130003312031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130003312031 is an equidigital number, since it uses as much as digits as its factorization.

20130003312031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20130003312031 its reverse (13021330003102), we get a palindrome (33151333315133).

The spelling of 20130003312031 in words is "twenty trillion, one hundred thirty billion, three million, three hundred twelve thousand, thirty-one".