2102343342 has 64 divisors (see below), whose sum is σ = 4825785600. Its totient is φ = 604647680.

The previous prime is 2102343329. The next prime is 2102343349. The reversal of 2102343342 is 2433432012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102343349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103618 + ... + 122234.

It is an arithmetic number, because the mean of its divisors is an integer number (75402900).

Almost surely, 2^2102343342 is an apocalyptic number.

2102343342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102343342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2412892800).

2102343342 is an abundant number, since it is smaller than the sum of its proper divisors (2723442258).

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

2102343342 is a wasteful number, since it uses less digits than its factorization.

2102343342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 2102343342 is about 45851.3177782275. The cubic root of 2102343342 is about 1281.0553109312.

Adding to 2102343342 its reverse (2433432012), we get a palindrome (4535775354).

The spelling of 2102343342 in words is "two billion, one hundred two million, three hundred forty-three thousand, three hundred forty-two".