30401320405 has 64 divisors (see below), whose sum is σ = 42089932800. Its totient is φ = 20927324160.

The previous prime is 30401320399. The next prime is 30401320421. The reversal of 30401320405 is 50402310403.

It is not a de Polignac number, because 30401320405 - 2⁵ = 30401320373 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25482489 + ... + 25483681.

It is an arithmetic number, because the mean of its divisors is an integer number (657655200).

Almost surely, 2^30401320405 is an apocalyptic number.

It is an amenable number.

30401320405 is a deficient number, since it is larger than the sum of its proper divisors (11688612395).

30401320405 is a wasteful number, since it uses less digits than its factorization.

30401320405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 30401320405 its reverse (50402310403), we get a palindrome (80803630808).

The spelling of 30401320405 in words is "thirty billion, four hundred one million, three hundred twenty thousand, four hundred five".