1000230131 has 2 divisors, whose sum is σ = 1000230132. Its totient is φ = 1000230130.

The previous prime is 1000230113. The next prime is 1000230157. The reversal of 1000230131 is 1310320001.

Together with previous prime (1000230113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000230131 - 2¹⁰ = 1000229107 is a prime.

It is a super-2 number, since 2×1000230131² = 2000920629920554322, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1000230431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500115065 + 500115066.

It is an arithmetic number, because the mean of its divisors is an integer number (500115066).

Almost surely, 2^1000230131 is an apocalyptic number.

1000230131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000230131 is an equidigital number, since it uses as much as digits as its factorization.

1000230131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1000230131 is about 31626.4150829651. The cubic root of 1000230131 is about 1000.0767044496.

Adding to 1000230131 its reverse (1310320001), we get a palindrome (2310550132).

The spelling of 1000230131 in words is "one billion, two hundred thirty thousand, one hundred thirty-one".