30231440344 has 32 divisors (see below), whose sum is σ = 64824376320. Its totient is φ = 12947787936.

The previous prime is 30231440333. The next prime is 30231440353. The reversal of 30231440344 is 44304413203.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91944 + ... + 262519.

It is an arithmetic number, because the mean of its divisors is an integer number (2025761760).

Almost surely, 2^30231440344 is an apocalyptic number.

It is an amenable number.

30231440344 is an abundant number, since it is smaller than the sum of its proper divisors (34592935976).

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

30231440344 is a wasteful number, since it uses less digits than its factorization.

30231440344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355999 (or 355995 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30231440344 its reverse (44304413203), we get a palindrome (74535853547).

The spelling of 30231440344 in words is "thirty billion, two hundred thirty-one million, four hundred forty thousand, three hundred forty-four".