1013220103 has 4 divisors (see below), whose sum is σ = 1157965840. Its totient is φ = 868474368.

The previous prime is 1013220059. The next prime is 1013220107. The reversal of 1013220103 is 3010223101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1013220103 - 2⁹ = 1013219591 is a prime.

It is a super-2 number, since 2×1013220103² = 2053229954246661218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013220107) by changing a digit.

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, 72372858 + ... + 72372871.

It is an arithmetic number, because the mean of its divisors is an integer number (289491460).

Almost surely, 2^1013220103 is an apocalyptic number.

1013220103 is a deficient number, since it is larger than the sum of its proper divisors (144745737).

1013220103 is an equidigital number, since it uses as much as digits as its factorization.

1013220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144745736.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1013220103 is about 31831.1184691961. The cubic root of 1013220103 is about 1004.3874233643.

Adding to 1013220103 its reverse (3010223101), we get a palindrome (4023443204).

The spelling of 1013220103 in words is "one billion, thirteen million, two hundred twenty thousand, one hundred three".