1030434320 has 40 divisors (see below), whose sum is σ = 2419499160. Its totient is φ = 408089600.

The previous prime is 1030434313. The next prime is 1030434323. The reversal of 1030434320 is 234340301.

1030434320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 309619216 + 720815104 = 17596^2 + 26848^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1030434292 and 1030434301.

It is not an unprimeable number, because it can be changed into a prime (1030434323) 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, 55685 + ... + 71844.

It is an arithmetic number, because the mean of its divisors is an integer number (60487479).

Almost surely, 2^1030434320 is an apocalyptic number.

1030434320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030434320 is an abundant number, since it is smaller than the sum of its proper divisors (1389064840).

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

1030434320 is a wasteful number, since it uses less digits than its factorization.

1030434320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127643 (or 127637 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1030434320 is about 32100.3788139642. The cubic root of 1030434320 is about 1010.0435624775.

Adding to 1030434320 its reverse (234340301), we get a palindrome (1264774621).

The spelling of 1030434320 in words is "one billion, thirty million, four hundred thirty-four thousand, three hundred twenty".