2000031320957 has 2 divisors, whose sum is σ = 2000031320958. Its totient is φ = 2000031320956.

The previous prime is 2000031320951. The next prime is 2000031321031. The reversal of 2000031320957 is 7590231300002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1962630081721 + 37401239236 = 1400939^2 + 193394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000031320957 - 2⁴ = 2000031320941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000031320951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000015660478 + 1000015660479.

It is an arithmetic number, because the mean of its divisors is an integer number (1000015660479).

Almost surely, 2^{2000031320957} is an apocalyptic number.

It is an amenable number.

2000031320957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000031320957 is an equidigital number, since it uses as much as digits as its factorization.

2000031320957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

Adding to 2000031320957 its reverse (7590231300002), we get a palindrome (9590262620959).

The spelling of 2000031320957 in words is "two trillion, thirty-one million, three hundred twenty thousand, nine hundred fifty-seven".