2100401343 has 6 divisors (see below), whose sum is σ = 3033913064. Its totient is φ = 1400267556.

The previous prime is 2100401327. The next prime is 2100401411. The reversal of 2100401343 is 3431040012.

It is not a de Polignac number, because 2100401343 - 2⁴ = 2100401327 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 (2100401243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116688955 + ... + 116688972.

Almost surely, 2^2100401343 is an apocalyptic number.

2100401343 is a deficient number, since it is larger than the sum of its proper divisors (933511721).

2100401343 is a wasteful number, since it uses less digits than its factorization.

2100401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233377933 (or 233377930 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2100401343 is about 45830.1357514900. The cubic root of 2100401343 is about 1280.6607393916.

Adding to 2100401343 its reverse (3431040012), we get a palindrome (5531441355).

The spelling of 2100401343 in words is "two billion, one hundred million, four hundred one thousand, three hundred forty-three".