1028035331 has 4 divisors (see below), whose sum is σ = 1034843664. Its totient is φ = 1021227000.

The previous prime is 1028035321. The next prime is 1028035367. The reversal of 1028035331 is 1335308201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1028035331 - 2²⁶ = 960926467 is a prime.

It is a super-2 number, since 2×1028035331² = 2113713283568559122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1028035331.

It is not an unprimeable number, because it can be changed into a prime (1028035321) 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, 3403940 + ... + 3404241.

It is an arithmetic number, because the mean of its divisors is an integer number (258710916).

Almost surely, 2^1028035331 is an apocalyptic number.

1028035331 is a deficient number, since it is larger than the sum of its proper divisors (6808333).

1028035331 is an equidigital number, since it uses as much as digits as its factorization.

1028035331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6808332.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1028035331 is about 32062.9900508359. The cubic root of 1028035331 is about 1009.2591145331.

The spelling of 1028035331 in words is "one billion, twenty-eight million, thirty-five thousand, three hundred thirty-one".