1028031030 has 48 divisors (see below), whose sum is σ = 2878490160. Its totient is φ = 253053504.

The previous prime is 1028031019. The next prime is 1028031031. The reversal of 1028031030 is 301308201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1028030994 and 1028031012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1028031031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438160 + ... + 440499.

It is an arithmetic number, because the mean of its divisors is an integer number (59968545).

Almost surely, 2^1028031030 is an apocalyptic number.

1028031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1028031030 is an abundant number, since it is smaller than the sum of its proper divisors (1850459130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1028031030 is a wasteful number, since it uses less digits than its factorization.

1028031030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878685 (or 878682 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1028031030 is about 32062.9229796661. The cubic root of 1028031030 is about 1009.2577070492.

Adding to 1028031030 its reverse (301308201), we get a palindrome (1329339231).

The spelling of 1028031030 in words is "one billion, twenty-eight million, thirty-one thousand, thirty".