2031213211 has 2 divisors, whose sum is σ = 2031213212. Its totient is φ = 2031213210.

The previous prime is 2031213199. The next prime is 2031213263. The reversal of 2031213211 is 1123121302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031213211 - 2⁵ = 2031213179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031213281) 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, 1015606605 + 1015606606.

It is an arithmetic number, because the mean of its divisors is an integer number (1015606606).

Almost surely, 2^2031213211 is an apocalyptic number.

2031213211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031213211 is an equidigital number, since it uses as much as digits as its factorization.

2031213211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2031213211 is about 45068.9828041415. The cubic root of 2031213211 is about 1266.4416089606.

Adding to 2031213211 its reverse (1123121302), we get a palindrome (3154334513).

The spelling of 2031213211 in words is "two billion, thirty-one million, two hundred thirteen thousand, two hundred eleven".