1003103256 has 32 divisors (see below), whose sum is σ = 2508534000. Its totient is φ = 334264320.

The previous prime is 1003103249. The next prime is 1003103317. The reversal of 1003103256 is 6523013001.

It is a super-2 number, since 2×1003103256² = 2012432284395603072, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 151536 + ... + 158016.

Almost surely, 2^1003103256 is an apocalyptic number.

It is an amenable number.

1003103256 is an abundant number, since it is smaller than the sum of its proper divisors (1505430744).

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

1003103256 is a wasteful number, since it uses less digits than its factorization.

1003103256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939 (or 12935 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1003103256 is about 31671.8053795485. The cubic root of 1003103256 is about 1001.0333504856.

Adding to 1003103256 its reverse (6523013001), we get a palindrome (7526116257).

The spelling of 1003103256 in words is "one billion, three million, one hundred three thousand, two hundred fifty-six".