1030777213 has 2 divisors, whose sum is σ = 1030777214. Its totient is φ = 1030777212.

The previous prime is 1030777199. The next prime is 1030777217. The reversal of 1030777213 is 3127770301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926471844 + 104305369 = 30438^2 + 10213^2 .

It is an emirp because it is prime and its reverse (3127770301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030777213 - 2¹³ = 1030769021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030777217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515388606 + 515388607.

It is an arithmetic number, because the mean of its divisors is an integer number (515388607).

Almost surely, 2^1030777213 is an apocalyptic number.

It is an amenable number.

1030777213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030777213 is an equidigital number, since it uses as much as digits as its factorization.

1030777213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6174, while the sum is 31.

The square root of 1030777213 is about 32105.7193191494. The cubic root of 1030777213 is about 1010.1555859390.

The spelling of 1030777213 in words is "one billion, thirty million, seven hundred seventy-seven thousand, two hundred thirteen".