31440314104 has 16 divisors (see below), whose sum is σ = 59522926320. Its totient is φ = 15567533760.

The previous prime is 31440314041. The next prime is 31440314107. The reversal of 31440314104 is 40141304413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31440314107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19077037 + ... + 19078684.

It is an arithmetic number, because the mean of its divisors is an integer number (3720182895).

Almost surely, 2^31440314104 is an apocalyptic number.

It is an amenable number.

31440314104 is a deficient number, since it is larger than the sum of its proper divisors (28082612216).

31440314104 is a wasteful number, since it uses less digits than its factorization.

31440314104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38155830 (or 38155826 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31440314104 its reverse (40141304413), we get a palindrome (71581618517).

The spelling of 31440314104 in words is "thirty-one billion, four hundred forty million, three hundred fourteen thousand, one hundred four".