320030004641 has 4 divisors (see below), whose sum is σ = 320812474500. Its totient is φ = 319247534784.

The previous prime is 320030004631. The next prime is 320030004757. The reversal of 320030004641 is 146400030023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 235637430625 + 84392574016 = 485425^2 + 290504^2 .

It is a cyclic number.

It is not a de Polignac number, because 320030004641 - 2⁶ = 320030004577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320030004631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391234316 + ... + 391235133.

It is an arithmetic number, because the mean of its divisors is an integer number (80203118625).

Almost surely, 2^320030004641 is an apocalyptic number.

It is an amenable number.

320030004641 is a deficient number, since it is larger than the sum of its proper divisors (782469859).

320030004641 is an equidigital number, since it uses as much as digits as its factorization.

320030004641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782469858.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 320030004641 its reverse (146400030023), we get a palindrome (466430034664).

The spelling of 320030004641 in words is "three hundred twenty billion, thirty million, four thousand, six hundred forty-one".