31012004404 has 6 divisors (see below), whose sum is σ = 54271007714. Its totient is φ = 15506002200.

The previous prime is 31012004399. The next prime is 31012004417. The reversal of 31012004404 is 40440021013.

It can be written as a sum of positive squares in only one way, i.e., 31011914404 + 90000 = 176102^2 + 300^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3876500547 + ... + 3876500554.

Almost surely, 2^31012004404 is an apocalyptic number.

It is an amenable number.

31012004404 is a deficient number, since it is larger than the sum of its proper divisors (23259003310).

31012004404 is a wasteful number, since it uses less digits than its factorization.

31012004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7753001105 (or 7753001103 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 31012004404 its reverse (40440021013), we get a palindrome (71452025417).

The spelling of 31012004404 in words is "thirty-one billion, twelve million, four thousand, four hundred four".