3421320100 has 72 divisors (see below), whose sum is σ = 8178101568. Its totient is φ = 1231996800.

The previous prime is 3421320073. The next prime is 3421320103. The reversal of 3421320100 is 10231243.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3421320103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98202 + ... + 128398.

It is an arithmetic number, because the mean of its divisors is an integer number (113584744).

Almost surely, 2^3421320100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3421320100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4089050784).

3421320100 is an abundant number, since it is smaller than the sum of its proper divisors (4756781468).

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

3421320100 is a wasteful number, since it uses less digits than its factorization.

3421320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30325 (or 30318 counting only the distinct ones).

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

The square root of 3421320100 is about 58492.0515967768. The cubic root of 3421320100 is about 1506.8310807038.

Adding to 3421320100 its reverse (10231243), we get a palindrome (3431551343).

The spelling of 3421320100 in words is "three billion, four hundred twenty-one million, three hundred twenty thousand, one hundred".