1030131239 has 2 divisors, whose sum is σ = 1030131240. Its totient is φ = 1030131238.

The previous prime is 1030131143. The next prime is 1030131253. The reversal of 1030131239 is 9321310301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030131239 is a prime.

It is a super-2 number, since 2×1030131239² = 2122340739127350242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030131259) 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, 515065619 + 515065620.

It is an arithmetic number, because the mean of its divisors is an integer number (515065620).

Almost surely, 2^1030131239 is an apocalyptic number.

1030131239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030131239 is an equidigital number, since it uses as much as digits as its factorization.

1030131239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 1030131239 is about 32095.6576346396. The cubic root of 1030131239 is about 1009.9445249405.

The spelling of 1030131239 in words is "one billion, thirty million, one hundred thirty-one thousand, two hundred thirty-nine".