1100203413 has 16 divisors (see below), whose sum is σ = 1542782976. Its totient is φ = 696049200.

The previous prime is 1100203409. The next prime is 1100203427. The reversal of 1100203413 is 3143020011.

It is not a de Polignac number, because 1100203413 - 2² = 1100203409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100203392 and 1100203401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100203453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54013 + ... + 71538.

It is an arithmetic number, because the mean of its divisors is an integer number (96423936).

Almost surely, 2^1100203413 is an apocalyptic number.

It is an amenable number.

1100203413 is a deficient number, since it is larger than the sum of its proper divisors (442579563).

1100203413 is a wasteful number, since it uses less digits than its factorization.

1100203413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125704.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1100203413 is about 33169.3143281558. The cubic root of 1100203413 is about 1032.3437415937.

Adding to 1100203413 its reverse (3143020011), we get a palindrome (4243223424).

The spelling of 1100203413 in words is "one billion, one hundred million, two hundred three thousand, four hundred thirteen".