31204330004 has 12 divisors (see below), whose sum is σ = 54632862228. Its totient is φ = 15594940800.

The previous prime is 31204329899. The next prime is 31204330009. The reversal of 31204330004 is 40003340213.

It can be written as a sum of positive squares in 2 ways, for example, as 13806720004 + 17397610000 = 117502^2 + 131900^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31204330009) 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, 1796327 + ... + 1813614.

It is an arithmetic number, because the mean of its divisors is an integer number (4552738519).

Almost surely, 2^31204330004 is an apocalyptic number.

It is an amenable number.

31204330004 is a deficient number, since it is larger than the sum of its proper divisors (23428532224).

31204330004 is a wasteful number, since it uses less digits than its factorization.

31204330004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612106 (or 3612104 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31204330004 its reverse (40003340213), we get a palindrome (71207670217).

The spelling of 31204330004 in words is "thirty-one billion, two hundred four million, three hundred thirty thousand, four".