1030231313 has 4 divisors (see below), whose sum is σ = 1055358948. Its totient is φ = 1005103680.

The previous prime is 1030231309. The next prime is 1030231361. The reversal of 1030231313 is 3131320301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 123498769 + 906732544 = 11113^2 + 30112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030231313 - 2² = 1030231309 is a prime.

It is a super-2 number, since 2×1030231313² = 2122753116571407938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1030231291 and 1030231300.

It is not an unprimeable number, because it can be changed into a prime (1030231303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12563756 + ... + 12563837.

It is an arithmetic number, because the mean of its divisors is an integer number (263839737).

Almost surely, 2^1030231313 is an apocalyptic number.

It is an amenable number.

1030231313 is a deficient number, since it is larger than the sum of its proper divisors (25127635).

1030231313 is an equidigital number, since it uses as much as digits as its factorization.

1030231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25127634.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1030231313 is about 32097.2165927203. The cubic root of 1030231313 is about 1009.9772281897.

Adding to 1030231313 its reverse (3131320301), we get a palindrome (4161551614).

The spelling of 1030231313 in words is "one billion, thirty million, two hundred thirty-one thousand, three hundred thirteen".