1030545531 has 8 divisors (see below), whose sum is σ = 1526734160. Its totient is φ = 687030336.

The previous prime is 1030545517. The next prime is 1030545533. The reversal of 1030545531 is 1355450301.

1030545531 is a `hidden beast` number, since 103 + 0 + 5 + 4 + 553 + 1 = 666.

It is not a de Polignac number, because 1030545531 - 2¹⁰ = 1030544507 is a prime.

It is a super-2 number, since 2×1030545531² = 2124048182928143922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 38168353 = 1030545531 / (1 + 0 + 3 + 0 + 5 + 4 + 5 + 5 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030545495 and 1030545504.

It is not an unprimeable number, because it can be changed into a prime (1030545533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19084150 + ... + 19084203.

It is an arithmetic number, because the mean of its divisors is an integer number (190841770).

Almost surely, 2^1030545531 is an apocalyptic number.

1030545531 is a deficient number, since it is larger than the sum of its proper divisors (496188629).

1030545531 is an equidigital number, since it uses as much as digits as its factorization.

1030545531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38168362 (or 38168356 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1030545531 is about 32102.1110053529. Note that the first 3 decimals coincide. The cubic root of 1030545531 is about 1010.0798979371.

Adding to 1030545531 its reverse (1355450301), we get a palindrome (2385995832).

The spelling of 1030545531 in words is "one billion, thirty million, five hundred forty-five thousand, five hundred thirty-one".