31442420304 has 60 divisors (see below), whose sum is σ = 88008261952. Its totient is φ = 10479240000.

The previous prime is 31442420287. The next prime is 31442420353. The reversal of 31442420304 is 40302424413.

It is a happy number.

31442420304 is a `hidden beast` number, since 31 + 4 + 424 + 203 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340679 + ... + 1363929.

Almost surely, 2^31442420304 is an apocalyptic number.

It is an amenable number.

31442420304 is an abundant number, since it is smaller than the sum of its proper divisors (56565841648).

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

31442420304 is a wasteful number, since it uses less digits than its factorization.

31442420304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32656 (or 32647 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 31442420304 its reverse (40302424413), we get a palindrome (71744844717).

The spelling of 31442420304 in words is "thirty-one billion, four hundred forty-two million, four hundred twenty thousand, three hundred four".