30331440040025 has 12 divisors (see below), whose sum is σ = 37983371649324. Its totient is φ = 24024903000000.

The previous prime is 30331440039959. The next prime is 30331440040037. The reversal of 30331440040025 is 52004004413303.

It can be written as a sum of positive squares in 6 ways, for example, as 924105380416 + 29407334659609 = 961304^2 + 5422853^2 .

It is not a de Polignac number, because 30331440040025 - 2¹⁶ = 30331439974489 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30331440040025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6006223226 + ... + 6006228275.

It is an arithmetic number, because the mean of its divisors is an integer number (3165280970777).

Almost surely, 2^{30331440040025} is an apocalyptic number.

It is an amenable number.

30331440040025 is a deficient number, since it is larger than the sum of its proper divisors (7651931609299).

30331440040025 is a wasteful number, since it uses less digits than its factorization.

30331440040025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12012451612 (or 12012451607 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 30331440040025 its reverse (52004004413303), we get a palindrome (82335444453328).

The spelling of 30331440040025 in words is "thirty trillion, three hundred thirty-one billion, four hundred forty million, forty thousand, twenty-five".