613030320 has 120 divisors (see below), whose sum is σ = 2352888096. Its totient is φ = 140120064.

The previous prime is 613030289. The next prime is 613030321. The reversal of 613030320 is 23030316.

It is a happy number.

613030320 is a `hidden beast` number, since 613 + 0 + 30 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 613030293 and 613030302.

It is not an unprimeable number, because it can be changed into a prime (613030321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55777 + ... + 65856.

Almost surely, 2^613030320 is an apocalyptic number.

613030320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613030320 is an abundant number, since it is smaller than the sum of its proper divisors (1739857776).

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

613030320 is a wasteful number, since it uses less digits than its factorization.

613030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121659 (or 121650 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 613030320 is about 24759.4491053416. The cubic root of 613030320 is about 849.4946569465.

Adding to 613030320 its reverse (23030316), we get a palindrome (636060636).

The spelling of 613030320 in words is "six hundred thirteen million, thirty thousand, three hundred twenty".