2040311293 has 2 divisors, whose sum is σ = 2040311294. Its totient is φ = 2040311292.

The previous prime is 2040311281. The next prime is 2040311297. The reversal of 2040311293 is 3921130402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1973758329 + 66552964 = 44427^2 + 8158^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040311293 - 2¹³ = 2040303101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040311297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020155646 + 1020155647.

It is an arithmetic number, because the mean of its divisors is an integer number (1020155647).

Almost surely, 2^2040311293 is an apocalyptic number.

It is an amenable number.

2040311293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040311293 is an equidigital number, since it uses as much as digits as its factorization.

2040311293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2040311293 is about 45169.8051025240. The cubic root of 2040311293 is about 1268.3296479366.

Adding to 2040311293 its reverse (3921130402), we get a palindrome (5961441695).

The spelling of 2040311293 in words is "two billion, forty million, three hundred eleven thousand, two hundred ninety-three".