31440322204 has 6 divisors (see below), whose sum is σ = 55020563864. Its totient is φ = 15720161100.

The previous prime is 31440322163. The next prime is 31440322253. The reversal of 31440322204 is 40222304413.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930040272 + ... + 3930040279.

Almost surely, 2^31440322204 is an apocalyptic number.

It is an amenable number.

31440322204 is a deficient number, since it is larger than the sum of its proper divisors (23580241660).

31440322204 is a wasteful number, since it uses less digits than its factorization.

31440322204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7860080555 (or 7860080553 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31440322204 its reverse (40222304413), we get a palindrome (71662626617).

The spelling of 31440322204 in words is "thirty-one billion, four hundred forty million, three hundred twenty-two thousand, two hundred four".