1030120313 has 2 divisors, whose sum is σ = 1030120314. Its totient is φ = 1030120312.

The previous prime is 1030120277. The next prime is 1030120319. The reversal of 1030120313 is 3130210301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651117289 + 379003024 = 25517^2 + 19468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030120313 - 2⁶ = 1030120249 is a prime.

It is a super-2 number, since 2×1030120313² = 2122295718510435938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1030120319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515060156 + 515060157.

It is an arithmetic number, because the mean of its divisors is an integer number (515060157).

Almost surely, 2^1030120313 is an apocalyptic number.

It is an amenable number.

1030120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030120313 is an equidigital number, since it uses as much as digits as its factorization.

1030120313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1030120313 is about 32095.4874242470. The cubic root of 1030120313 is about 1009.9409542974.

Adding to 1030120313 its reverse (3130210301), we get a palindrome (4160330614).

The spelling of 1030120313 in words is "one billion, thirty million, one hundred twenty thousand, three hundred thirteen".