2103401311 has 16 divisors (see below), whose sum is σ = 2352823200. Its totient is φ = 1863769600.

The previous prime is 2103401299. The next prime is 2103401353. The reversal of 2103401311 is 1131043012.

It is a de Polignac number, because none of the positive numbers 2^k-2103401311 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 (2103404311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769395 + ... + 772123.

It is an arithmetic number, because the mean of its divisors is an integer number (147051450).

Almost surely, 2^2103401311 is an apocalyptic number.

2103401311 is a deficient number, since it is larger than the sum of its proper divisors (249421889).

2103401311 is a wasteful number, since it uses less digits than its factorization.

2103401311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2103401311 is about 45862.8532801874. The cubic root of 2103401311 is about 1281.2701647558.

Adding to 2103401311 its reverse (1131043012), we get a palindrome (3234444323).

The spelling of 2103401311 in words is "two billion, one hundred three million, four hundred one thousand, three hundred eleven".