1030028531 has 16 divisors (see below), whose sum is σ = 1196602368. Its totient is φ = 868428000.

The previous prime is 1030028497. The next prime is 1030028557. The reversal of 1030028531 is 1358200301.

It is a cyclic number.

It is not a de Polignac number, because 1030028531 - 2¹⁰ = 1030027507 is a prime.

It is a super-2 number, since 2×1030028531² = 2121917549348035922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030028497 and 1030028506.

It is not an unprimeable number, because it can be changed into a prime (1030025531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104141 + ... + 113601.

It is an arithmetic number, because the mean of its divisors is an integer number (74787648).

Almost surely, 2^1030028531 is an apocalyptic number.

1030028531 is a deficient number, since it is larger than the sum of its proper divisors (166573837).

1030028531 is a wasteful number, since it uses less digits than its factorization.

1030028531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1030028531 is about 32094.0575652254. The cubic root of 1030028531 is about 1009.9109587223.

Adding to 1030028531 its reverse (1358200301), we get a palindrome (2388228832).

The spelling of 1030028531 in words is "one billion, thirty million, twenty-eight thousand, five hundred thirty-one".