2131033300031 has 2 divisors, whose sum is σ = 2131033300032. Its totient is φ = 2131033300030.

The previous prime is 2131033300027. The next prime is 2131033300063. The reversal of 2131033300031 is 1300033301312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131033300031 - 2² = 2131033300027 is a prime.

It is a super-2 number, since 2×2131033300031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2131033299976 and 2131033300012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131033300631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065516650015 + 1065516650016.

It is an arithmetic number, because the mean of its divisors is an integer number (1065516650016).

Almost surely, 2^{2131033300031} is an apocalyptic number.

2131033300031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131033300031 is an equidigital number, since it uses as much as digits as its factorization.

2131033300031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 2131033300031 its reverse (1300033301312), we get a palindrome (3431066601343).

The spelling of 2131033300031 in words is "two trillion, one hundred thirty-one billion, thirty-three million, three hundred thousand, thirty-one".