2000126831 has 2 divisors, whose sum is σ = 2000126832. Its totient is φ = 2000126830.

The previous prime is 2000126803. The next prime is 2000126867. The reversal of 2000126831 is 1386210002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2000126831 - 2⁶ = 2000126767 is a prime.

It is a super-2 number, since 2×2000126831² = 8001014680172205122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000126797 and 2000126806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000126801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000063415 + 1000063416.

It is an arithmetic number, because the mean of its divisors is an integer number (1000063416).

Almost surely, 2^2000126831 is an apocalyptic number.

2000126831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000126831 is an equidigital number, since it uses as much as digits as its factorization.

2000126831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2000126831 is about 44722.7775412038. Note that the first 3 decimals coincide. The cubic root of 2000126831 is about 1259.9476821730.

Adding to 2000126831 its reverse (1386210002), we get a palindrome (3386336833).

The spelling of 2000126831 in words is "two billion, one hundred twenty-six thousand, eight hundred thirty-one".