30311040444 has 12 divisors (see below), whose sum is σ = 70725761064. Its totient is φ = 10103680144.

The previous prime is 30311040437. The next prime is 30311040457. The reversal of 30311040444 is 44404011303.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262960007 + ... + 1262960030.

It is an arithmetic number, because the mean of its divisors is an integer number (5893813422).

Almost surely, 2^30311040444 is an apocalyptic number.

It is an amenable number.

30311040444 is an abundant number, since it is smaller than the sum of its proper divisors (40414720620).

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

30311040444 is a wasteful number, since it uses less digits than its factorization.

30311040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525920044 (or 2525920042 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 30311040444 its reverse (44404011303), we get a palindrome (74715051747).

The spelling of 30311040444 in words is "thirty billion, three hundred eleven million, forty thousand, four hundred forty-four".