1030400213 has 2 divisors, whose sum is σ = 1030400214. Its totient is φ = 1030400212.

The previous prime is 1030400171. The next prime is 1030400219. The reversal of 1030400213 is 3120040301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1027651249 + 2748964 = 32057^2 + 1658^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030400213 - 2¹² = 1030396117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030400219) 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, 515200106 + 515200107.

It is an arithmetic number, because the mean of its divisors is an integer number (515200107).

Almost surely, 2^1030400213 is an apocalyptic number.

It is an amenable number.

1030400213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030400213 is an equidigital number, since it uses as much as digits as its factorization.

1030400213 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 14.

The square root of 1030400213 is about 32099.8475541551. The cubic root of 1030400213 is about 1010.0324183301.

Adding to 1030400213 its reverse (3120040301), we get a palindrome (4150440514).

The spelling of 1030400213 in words is "one billion, thirty million, four hundred thousand, two hundred thirteen".