33431402304404 has 12 divisors (see below), whose sum is σ = 63005335112244. Its totient is φ = 15429877986624.

The previous prime is 33431402304397. The next prime is 33431402304407. The reversal of 33431402304404 is 40440320413433.

It can be written as a sum of positive squares in 2 ways, for example, as 3685831701904 + 29745570602500 = 1919852^2 + 5453950^2 .

It is a super-2 number, since 2×33431402304404² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33431402304407) 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, 321455791337 + ... + 321455791440.

It is an arithmetic number, because the mean of its divisors is an integer number (5250444592687).

Almost surely, 2^{33431402304404} is an apocalyptic number.

It is an amenable number.

33431402304404 is a deficient number, since it is larger than the sum of its proper divisors (29573932807840).

33431402304404 is a wasteful number, since it uses less digits than its factorization.

33431402304404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642911582794 (or 642911582792 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 33431402304404 its reverse (40440320413433), we get a palindrome (73871722717837).

The spelling of 33431402304404 in words is "thirty-three trillion, four hundred thirty-one billion, four hundred two million, three hundred four thousand, four hundred four".