1031403424 has 12 divisors (see below), whose sum is σ = 2030575554. Its totient is φ = 515701696.

The previous prime is 1031403403. The next prime is 1031403431. The reversal of 1031403424 is 4243041301.

It can be written as a sum of positive squares in only one way, i.e., 872139024 + 159264400 = 29532^2 + 12620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1031403395 and 1031403404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16115647 + ... + 16115710.

Almost surely, 2^1031403424 is an apocalyptic number.

It is an amenable number.

1031403424 is a deficient number, since it is larger than the sum of its proper divisors (999172130).

1031403424 is an equidigital number, since it uses as much as digits as its factorization.

1031403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32231367 (or 32231359 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1031403424 is about 32115.4701662610. The cubic root of 1031403424 is about 1010.3601055566.

Adding to 1031403424 its reverse (4243041301), we get a palindrome (5274444725).

The spelling of 1031403424 in words is "one billion, thirty-one million, four hundred three thousand, four hundred twenty-four".