1030431040 has 28 divisors (see below), whose sum is σ = 2453714676. Its totient is φ = 412172288.

The previous prime is 1030431037. The next prime is 1030431089. The reversal of 1030431040 is 401340301.

It can be written as a sum of positive squares in 2 ways, for example, as 256256064 + 774174976 = 16008^2 + 27824^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1609729 + ... + 1610368.

It is an arithmetic number, because the mean of its divisors is an integer number (87632667).

Almost surely, 2^1030431040 is an apocalyptic number.

1030431040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030431040 is an abundant number, since it is smaller than the sum of its proper divisors (1423283636).

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

1030431040 is an equidigital number, since it uses as much as digits as its factorization.

1030431040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220114 (or 3220104 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1030431040 is about 32100.3277241838. The cubic root of 1030431040 is about 1010.0424907785.

Adding to 1030431040 its reverse (401340301), we get a palindrome (1431771341).

The spelling of 1030431040 in words is "one billion, thirty million, four hundred thirty-one thousand, forty".