1030403531 has 2 divisors, whose sum is σ = 1030403532. Its totient is φ = 1030403530.

The previous prime is 1030403503. The next prime is 1030403533. The reversal of 1030403531 is 1353040301.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1353040301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1030403531 - 2¹⁴ = 1030387147 is a prime.

It is a super-2 number, since 2×1030403531² = 2123462873394535922, which contains 22 as substring.

Together with 1030403533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1030403533) 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, 515201765 + 515201766.

It is an arithmetic number, because the mean of its divisors is an integer number (515201766).

Almost surely, 2^1030403531 is an apocalyptic number.

1030403531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030403531 is an equidigital number, since it uses as much as digits as its factorization.

1030403531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1030403531 is about 32099.8992366020. The cubic root of 1030403531 is about 1010.0335024668.

Adding to 1030403531 its reverse (1353040301), we get a palindrome (2383443832).

The spelling of 1030403531 in words is "one billion, thirty million, four hundred three thousand, five hundred thirty-one".