2031143311 has 2 divisors, whose sum is σ = 2031143312. Its totient is φ = 2031143310.

The previous prime is 2031143273. The next prime is 2031143351. The reversal of 2031143311 is 1133411302.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031143311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031143351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015571655 + 1015571656.

It is an arithmetic number, because the mean of its divisors is an integer number (1015571656).

Almost surely, 2^2031143311 is an apocalyptic number.

2031143311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031143311 is an equidigital number, since it uses as much as digits as its factorization.

2031143311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2031143311 is about 45068.2073195729. The cubic root of 2031143311 is about 1266.4270814714.

Adding to 2031143311 its reverse (1133411302), we get a palindrome (3164554613).

The spelling of 2031143311 in words is "two billion, thirty-one million, one hundred forty-three thousand, three hundred eleven".