2031113393 has 2 divisors, whose sum is σ = 2031113394. Its totient is φ = 2031113392.

The previous prime is 2031113389. The next prime is 2031113407. The reversal of 2031113393 is 3933111302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1140210289 + 890903104 = 33767^2 + 29848^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031113393 - 2² = 2031113389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2031113323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015556696 + 1015556697.

It is an arithmetic number, because the mean of its divisors is an integer number (1015556697).

Almost surely, 2^2031113393 is an apocalyptic number.

It is an amenable number.

2031113393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031113393 is an equidigital number, since it uses as much as digits as its factorization.

2031113393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 2031113393 is about 45067.8753992242. The cubic root of 2031113393 is about 1266.4208634379.

Adding to 2031113393 its reverse (3933111302), we get a palindrome (5964224695).

The spelling of 2031113393 in words is "two billion, thirty-one million, one hundred thirteen thousand, three hundred ninety-three".