2000031321031 has 2 divisors, whose sum is σ = 2000031321032. Its totient is φ = 2000031321030.

The previous prime is 2000031320957. The next prime is 2000031321061. The reversal of 2000031321031 is 1301231300002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000031321031 is a prime.

It is a super-2 number, since 2×2000031321031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000031320996 and 2000031321014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000031321061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000015660515 + 1000015660516.

It is an arithmetic number, because the mean of its divisors is an integer number (1000015660516).

Almost surely, 2^{2000031321031} is an apocalyptic number.

2000031321031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000031321031 is an equidigital number, since it uses as much as digits as its factorization.

2000031321031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2000031321031 its reverse (1301231300002), we get a palindrome (3301262621033).

The spelling of 2000031321031 in words is "two trillion, thirty-one million, three hundred twenty-one thousand, thirty-one".