1103203013 has 8 divisors (see below), whose sum is σ = 1206907776. Its totient is φ = 1000067200.

The previous prime is 1103203009. The next prime is 1103203069. The reversal of 1103203013 is 3103023011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103203013 - 2² = 1103203009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103200013) 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, 138173 + ... + 145938.

It is an arithmetic number, because the mean of its divisors is an integer number (150863472).

Almost surely, 2^1103203013 is an apocalyptic number.

It is an amenable number.

1103203013 is a deficient number, since it is larger than the sum of its proper divisors (103704763).

1103203013 is a wasteful number, since it uses less digits than its factorization.

1103203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284475.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1103203013 is about 33214.5000413976. The cubic root of 1103203013 is about 1033.2810859350.

Adding to 1103203013 its reverse (3103023011), we get a palindrome (4206226024).

The spelling of 1103203013 in words is "one billion, one hundred three million, two hundred three thousand, thirteen".