31423304004 has 48 divisors (see below), whose sum is σ = 73734893568. Its totient is φ = 10415428768.

The previous prime is 31423303993. The next prime is 31423304027. The reversal of 31423304004 is 40040332413.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2344129 + ... + 2357495.

It is an arithmetic number, because the mean of its divisors is an integer number (1536143616).

Almost surely, 2^31423304004 is an apocalyptic number.

It is an amenable number.

31423304004 is an abundant number, since it is smaller than the sum of its proper divisors (42311589564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31423304004 is a wasteful number, since it uses less digits than its factorization.

31423304004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14464 (or 14462 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31423304004 its reverse (40040332413), we get a palindrome (71463636417).

The spelling of 31423304004 in words is "thirty-one billion, four hundred twenty-three million, three hundred four thousand, four".