2111603313 has 8 divisors (see below), whose sum is σ = 2817789408. Its totient is φ = 1406576384.

The previous prime is 2111603281. The next prime is 2111603317. The reversal of 2111603313 is 3133061112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111603313 - 2⁵ = 2111603281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111603313.

It is not an unprimeable number, because it can be changed into a prime (2111603317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285531 + ... + 292832.

It is an arithmetic number, because the mean of its divisors is an integer number (352223676).

Almost surely, 2^2111603313 is an apocalyptic number.

It is an amenable number.

2111603313 is a deficient number, since it is larger than the sum of its proper divisors (706186095).

2111603313 is a wasteful number, since it uses less digits than its factorization.

2111603313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579583.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 2111603313 is about 45952.1850731823. The cubic root of 2111603313 is about 1282.9333994957.

Adding to 2111603313 its reverse (3133061112), we get a palindrome (5244664425).

The spelling of 2111603313 in words is "two billion, one hundred eleven million, six hundred three thousand, three hundred thirteen".