31423304204 has 72 divisors (see below), whose sum is σ = 59761709280. Its totient is φ = 14444635392.

The previous prime is 31423304117. The next prime is 31423304219. The reversal of 31423304204 is 40240332413.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38841752 + ... + 38842560.

It is an arithmetic number, because the mean of its divisors is an integer number (830023740).

Almost surely, 2^31423304204 is an apocalyptic number.

It is an amenable number.

31423304204 is a deficient number, since it is larger than the sum of its proper divisors (28338405076).

31423304204 is a wasteful number, since it uses less digits than its factorization.

31423304204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1594 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31423304204 its reverse (40240332413), we get a palindrome (71663636617).

The spelling of 31423304204 in words is "thirty-one billion, four hundred twenty-three million, three hundred four thousand, two hundred four".