1003013442 has 80 divisors (see below), whose sum is σ = 2318751072. Its totient is φ = 323870400.

The previous prime is 1003013441. The next prime is 1003013489. The reversal of 1003013442 is 2443103001.

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

It is not an unprimeable number, because it can be changed into a prime (1003013441) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 953817 + ... + 954867.

Almost surely, 2^1003013442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1003013442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159375536).

1003013442 is an abundant number, since it is smaller than the sum of its proper divisors (1315737630).

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

1003013442 is a wasteful number, since it uses less digits than its factorization.

1003013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1003013442 is about 31670.3874621072. The cubic root of 1003013442 is about 1001.0034733710.

Adding to 1003013442 its reverse (2443103001), we get a palindrome (3446116443).

The spelling of 1003013442 in words is "one billion, three million, thirteen thousand, four hundred forty-two".