1013503216 has 40 divisors (see below), whose sum is σ = 2153348784. Its totient is φ = 458280960.

The previous prime is 1013503201. The next prime is 1013503217. The reversal of 1013503216 is 6123053101.

It is a happy number.

1013503216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013503217) 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, 19050 + ... + 48886.

Almost surely, 2^1013503216 is an apocalyptic number.

1013503216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013503216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076674392).

1013503216 is an abundant number, since it is smaller than the sum of its proper divisors (1139845568).

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

1013503216 is a wasteful number, since it uses less digits than its factorization.

1013503216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30049 (or 30043 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1013503216 is about 31835.5652690509. The cubic root of 1013503216 is about 1004.4809629796.

Adding to 1013503216 its reverse (6123053101), we get a palindrome (7136556317).

The spelling of 1013503216 in words is "one billion, thirteen million, five hundred three thousand, two hundred sixteen".