1030131243 has 16 divisors (see below), whose sum is σ = 1578746400. Its totient is φ = 663072480.

The previous prime is 1030131239. The next prime is 1030131253. The reversal of 1030131243 is 3421310301.

1030131243 is a `hidden beast` number, since 10 + 301 + 312 + 43 = 666.

It is not a de Polignac number, because 1030131243 - 2² = 1030131239 is a prime.

It is a super-2 number, since 2×1030131243² = 2122340755609450098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1030131253) 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 in 15 ways as a sum of consecutive naturals, for example, 657028 + ... + 658593.

It is an arithmetic number, because the mean of its divisors is an integer number (98671650).

Almost surely, 2^1030131243 is an apocalyptic number.

1030131243 is a deficient number, since it is larger than the sum of its proper divisors (548615157).

1030131243 is a wasteful number, since it uses less digits than its factorization.

1030131243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315659 (or 1315653 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1030131243 is about 32095.6576969533. The cubic root of 1030131243 is about 1009.9445262477.

Adding to 1030131243 its reverse (3421310301), we get a palindrome (4451441544).

The spelling of 1030131243 in words is "one billion, thirty million, one hundred thirty-one thousand, two hundred forty-three".