1016528231 has 4 divisors (see below), whose sum is σ = 1016952264. Its totient is φ = 1016104200.

The previous prime is 1016528203. The next prime is 1016528237. The reversal of 1016528231 is 1328256101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1328256101 = 31 ⋅42846971.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1016528231 is a prime.

It is a super-2 number, since 2×1016528231² = 2066659288839978722, 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 = 1016528194 and 1016528203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016528237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208400 + ... + 213221.

It is an arithmetic number, because the mean of its divisors is an integer number (254238066).

Almost surely, 2^1016528231 is an apocalyptic number.

1016528231 is a deficient number, since it is larger than the sum of its proper divisors (424033).

1016528231 is an equidigital number, since it uses as much as digits as its factorization.

1016528231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424032.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1016528231 is about 31883.0398644797. The cubic root of 1016528231 is about 1005.4793324141.

The spelling of 1016528231 in words is "one billion, sixteen million, five hundred twenty-eight thousand, two hundred thirty-one".