2103002311 has 4 divisors (see below), whose sum is σ = 2103193512. Its totient is φ = 2102811112.

The previous prime is 2103002287. The next prime is 2103002371. The reversal of 2103002311 is 1132003012.

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 2103002311 - 2²¹ = 2100905159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2103002291 and 2103002300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103002371) 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 3 ways as a sum of consecutive naturals, for example, 78025 + ... + 101458.

It is an arithmetic number, because the mean of its divisors is an integer number (525798378).

Almost surely, 2^2103002311 is an apocalyptic number.

2103002311 is a deficient number, since it is larger than the sum of its proper divisors (191201).

2103002311 is a wasteful number, since it uses less digits than its factorization.

2103002311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191200.

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

The square root of 2103002311 is about 45858.5031482712. The cubic root of 2103002311 is about 1281.1891437413.

Adding to 2103002311 its reverse (1132003012), we get a palindrome (3235005323).

The spelling of 2103002311 in words is "two billion, one hundred three million, two thousand, three hundred eleven".