2102343100 has 216 divisors, whose sum is σ = 5535395712. Its totient is φ = 686649600.

The previous prime is 2102343091. The next prime is 2102343149. The reversal of 2102343100 is 13432012.

It is a happy number.

It is a super-2 number, since 2×2102343100² = 8839693020235220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7993569 + ... + 7993831.

It is an arithmetic number, because the mean of its divisors is an integer number (25626832).

Almost surely, 2^2102343100 is an apocalyptic number.

2102343100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102343100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2767697856).

2102343100 is an abundant number, since it is smaller than the sum of its proper divisors (3433052612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102343100 is a wasteful number, since it uses less digits than its factorization.

2102343100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2102343100 is about 45851.3151392629. The cubic root of 2102343100 is about 1281.0552617773.

Adding to 2102343100 its reverse (13432012), we get a palindrome (2115775112).

The spelling of 2102343100 in words is "two billion, one hundred two million, three hundred forty-three thousand, one hundred".