611030320 has 40 divisors (see below), whose sum is σ = 1504216224. Its totient is φ = 230034432.

The previous prime is 611030317. The next prime is 611030327. The reversal of 611030320 is 23030116.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 611030294 and 611030303.

It is not an unprimeable number, because it can be changed into a prime (611030327) 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 7 ways as a sum of consecutive naturals, for example, 223284 + ... + 226003.

Almost surely, 2^611030320 is an apocalyptic number.

It is an amenable number.

611030320 is an abundant number, since it is smaller than the sum of its proper divisors (893185904).

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

611030320 is a wasteful number, since it uses less digits than its factorization.

611030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449317 (or 449311 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 611030320 is about 24719.0274889608. The cubic root of 611030320 is about 848.5698303080.

Adding to 611030320 its reverse (23030116), we get a palindrome (634060436).

The spelling of 611030320 in words is "six hundred eleven million, thirty thousand, three hundred twenty".