342113520 has 160 divisors (see below), whose sum is σ = 1251348480. Its totient is φ = 75663360.

The previous prime is 342113509. The next prime is 342113521. The reversal of 342113520 is 25311243.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342113521) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 48796 + ... + 55364.

It is an arithmetic number, because the mean of its divisors is an integer number (7820928).

Almost surely, 2^342113520 is an apocalyptic number.

342113520 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 342113520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625674240).

342113520 is an abundant number, since it is smaller than the sum of its proper divisors (909234960).

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

342113520 is a wasteful number, since it uses less digits than its factorization.

342113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6623 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 342113520 is about 18496.3109835448. The cubic root of 342113520 is about 699.3964321102.

Adding to 342113520 its reverse (25311243), we get a palindrome (367424763).

The spelling of 342113520 in words is "three hundred forty-two million, one hundred thirteen thousand, five hundred twenty".