342312100 has 72 divisors (see below), whose sum is σ = 813697920. Its totient is φ = 124222080.

The previous prime is 342312097. The next prime is 342312101. The reversal of 342312100 is 1213243.

It is a happy number.

It is a super-3 number, since 3×342312100³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (342312101) 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, 74469 + ... + 78931.

It is an arithmetic number, because the mean of its divisors is an integer number (11301360).

Almost surely, 2^342312100 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 342312100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406848960).

342312100 is an abundant number, since it is smaller than the sum of its proper divisors (471385820).

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

342312100 is a wasteful number, since it uses less digits than its factorization.

342312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549 (or 4542 counting only the distinct ones).

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

The square root of 342312100 is about 18501.6783022514. The cubic root of 342312100 is about 699.5317276304.

Adding to 342312100 its reverse (1213243), we get a palindrome (343525343).

The spelling of 342312100 in words is "three hundred forty-two million, three hundred twelve thousand, one hundred".