2031213143 has 2 divisors, whose sum is σ = 2031213144. Its totient is φ = 2031213142.

The previous prime is 2031213139. The next prime is 2031213167. The reversal of 2031213143 is 3413121302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031213143 - 2² = 2031213139 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2031213043) 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, 1015606571 + 1015606572.

It is an arithmetic number, because the mean of its divisors is an integer number (1015606572).

Almost surely, 2^2031213143 is an apocalyptic number.

2031213143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031213143 is an equidigital number, since it uses as much as digits as its factorization.

2031213143 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 2031213143 is about 45068.9820497424. The cubic root of 2031213143 is about 1266.4415948281.

Adding to 2031213143 its reverse (3413121302), we get a palindrome (5444334445).

The spelling of 2031213143 in words is "two billion, thirty-one million, two hundred thirteen thousand, one hundred forty-three".