1003211113 has 4 divisors (see below), whose sum is σ = 1026541648. Its totient is φ = 979880580.

The previous prime is 1003211101. The next prime is 1003211129. The reversal of 1003211113 is 3111123001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1003211113 - 2²¹ = 1001113961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1003211093 and 1003211102.

It is not an unprimeable number, because it can be changed into a prime (1003211173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11665203 + ... + 11665288.

It is an arithmetic number, because the mean of its divisors is an integer number (256635412).

Almost surely, 2^1003211113 is an apocalyptic number.

It is an amenable number.

1003211113 is a deficient number, since it is larger than the sum of its proper divisors (23330535).

1003211113 is an equidigital number, since it uses as much as digits as its factorization.

1003211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23330534.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1003211113 is about 31673.5080627328. The cubic root of 1003211113 is about 1001.0692273454.

Adding to 1003211113 its reverse (3111123001), we get a palindrome (4114334114).

The spelling of 1003211113 in words is "one billion, three million, two hundred eleven thousand, one hundred thirteen".