31304112404 has 24 divisors (see below), whose sum is σ = 56274002400. Its totient is φ = 15225994656.

The previous prime is 31304112401. The next prime is 31304112461. The reversal of 31304112404 is 40421140313.

It is a self number, because there is not a number n which added to its sum of digits gives 31304112404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31304112401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844247 + ... + 880545.

It is an arithmetic number, because the mean of its divisors is an integer number (2344750100).

Almost surely, 2^31304112404 is an apocalyptic number.

It is an amenable number.

31304112404 is a deficient number, since it is larger than the sum of its proper divisors (24969889996).

31304112404 is a wasteful number, since it uses less digits than its factorization.

31304112404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42167 (or 42165 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31304112404 its reverse (40421140313), we get a palindrome (71725252717).

The spelling of 31304112404 in words is "thirty-one billion, three hundred four million, one hundred twelve thousand, four hundred four".