1120312213 has 2 divisors, whose sum is σ = 1120312214. Its totient is φ = 1120312212.

The previous prime is 1120312211. The next prime is 1120312243. The reversal of 1120312213 is 3122130211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563682564 + 556629649 = 23742^2 + 23593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120312213 - 2¹ = 1120312211 is a prime.

Together with 1120312211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120312211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560156106 + 560156107.

It is an arithmetic number, because the mean of its divisors is an integer number (560156107).

Almost surely, 2^1120312213 is an apocalyptic number.

It is an amenable number.

1120312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120312213 is an equidigital number, since it uses as much as digits as its factorization.

1120312213 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 1120312213 is about 33471.0653102049. The cubic root of 1120312213 is about 1038.5953092717.

Adding to 1120312213 its reverse (3122130211), we get a palindrome (4242442424).

It can be divided in two parts, 112031 and 2213, that added together give a square (114244 = 338²).

The spelling of 1120312213 in words is "one billion, one hundred twenty million, three hundred twelve thousand, two hundred thirteen".