342113220 has 120 divisors (see below), whose sum is σ = 1079172864. Its totient is φ = 90725184.

The previous prime is 342113207. The next prime is 342113231. The reversal of 342113220 is 22311243.

342113220 is a `hidden beast` number, since 342 + 1 + 1 + 322 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 342113193 and 342113202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 360787 + ... + 361733.

Almost surely, 2^342113220 is an apocalyptic number.

342113220 is a gapful number since it is divisible by the number (30) 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 342113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539586432).

342113220 is an abundant number, since it is smaller than the sum of its proper divisors (737059644).

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

342113220 is a wasteful number, since it uses less digits than its factorization.

342113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1180 counting only the distinct ones).

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

The square root of 342113220 is about 18496.3028738178. The cubic root of 342113220 is about 699.3962276762.

Adding to 342113220 its reverse (22311243), we get a palindrome (364424463).

It can be divided in two parts, 3421 and 13220, that added together give a square (16641 = 129²).

The spelling of 342113220 in words is "three hundred forty-two million, one hundred thirteen thousand, two hundred twenty".