2031423311 has 2 divisors, whose sum is σ = 2031423312. Its totient is φ = 2031423310.

The previous prime is 2031423307. The next prime is 2031423337. The reversal of 2031423311 is 1133241302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031423311 - 2² = 2031423307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031423391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015711655 + 1015711656.

It is an arithmetic number, because the mean of its divisors is an integer number (1015711656).

Almost surely, 2^2031423311 is an apocalyptic number.

2031423311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031423311 is an equidigital number, since it uses as much as digits as its factorization.

2031423311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2031423311 is about 45071.3136152032. The cubic root of 2031423311 is about 1266.4852725549.

Adding to 2031423311 its reverse (1133241302), we get a palindrome (3164664613).

The spelling of 2031423311 in words is "two billion, thirty-one million, four hundred twenty-three thousand, three hundred eleven".